Q: What is the negative version of the number 686,557,778?
A: -686,557,778
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:
| 686,557,776 | 686,557,777 | 686,557,779 | 686,557,780 |
| -686,557,776 | -686,557,777 | -686,557,779 | -686,557,780 |