What is the biggest number?

take 8 and turn it 90 degrees to the left or right, and you have the highest number

Infinity :) Though some infinities are bigger than other infinities.

Infinity. But it's not even a number. It's a symbol so there is no known big number. It depends on whom you be asking this question. It could be 10 through a child's perspective.

The biggest number is: NUMBER

INFITY!!!!!! there is so Biggest number!!! LOL XD

INFINITE THERE IS NO BIGGEST #

do this: take a piece of paper. Turn it sideways. Draw an 8 that is equal on both sides. turn the paper so that it is the right way again.
Voila. infinity.

Infinity
8 to 90 degrees turn left of right(98,890,980 overload towards infinity and keeps on going)

google

There is a number called sentillion which has 30 thousand zeros.

There isn't one since numbers are infinite when there are no more numbers you always add more numbers