Q: What is the negative version of the number 138,778,907?
A: -138,778,907
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:
| 138,778,905 | 138,778,906 | 138,778,908 | 138,778,909 |
| -138,778,905 | -138,778,906 | -138,778,908 | -138,778,909 |