Q: What is the digital root of 77,881,669

 A: 7

Why is 7 the digital root of the number 77,881,669?

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 77,881,669?


Split the number up and add each digit together:


7 + 7 + 8 + 8 + 1 + 6 + 6 + 9 = 52

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

5 + 2 = 7

What is the digital root of number 77,881,669?

Answer: 7


More Examples

Number 77,881,66777,881,66877,881,67077,881,671
Digital Root 5689

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