Q: What is the negative version of the number 21,778,867?
A: -21,778,867
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:
| 21,778,865 | 21,778,866 | 21,778,868 | 21,778,869 |
| -21,778,865 | -21,778,866 | -21,778,868 | -21,778,869 |