Q: What is the negative version of the number 638,878,761?
A: -638,878,761
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:
| 638,878,759 | 638,878,760 | 638,878,762 | 638,878,763 |
| -638,878,759 | -638,878,760 | -638,878,762 | -638,878,763 |