Q: What is the negative version of the number 66,387,639?
A: -66,387,639
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 66,387,637 | 66,387,638 | 66,387,640 | 66,387,641 |
| -66,387,637 | -66,387,638 | -66,387,640 | -66,387,641 |