Q: What is the negative version of the number 686,478,779?
A: -686,478,779
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:
| 686,478,777 | 686,478,778 | 686,478,780 | 686,478,781 |
| -686,478,777 | -686,478,778 | -686,478,780 | -686,478,781 |