Q: What is the digital root of 77,775,121

 A: 1

Why is 1 the digital root of the number 77,775,121?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 77,775,121?


Split the number up and add each digit together:


7 + 7 + 7 + 7 + 5 + 1 + 2 + 1 = 37

If the answer is more than one digit, you would add each digit of the answer together again:

3 + 7 = 10

The answer is more than one digit again, we need to add each digit one more time:

1 + 0 = 1

What is the digital root of number 77,775,121?

Answer: 1


More Examples

Number 77,775,11977,775,12077,775,12277,775,123
Digital Root 8923

Explore more about the number 77,775,121:


Ask a Question