Q: What is the negative version of the number 87,217,639?
A: -87,217,639
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:
| 87,217,637 | 87,217,638 | 87,217,640 | 87,217,641 |
| -87,217,637 | -87,217,638 | -87,217,640 | -87,217,641 |