Is 770 a deficient number and what is its deficiency?

Is 770 a deficient number?

Here we will explain and calculate if 770 is a deficient number and its deficiency if applicable.

770 is a deficient number if the sum of its proper divisors is less than 770.

The sum of its proper divisors is calculated as follows: 1 + 2 + 5 + 7 + 10 + 11 + 14 + 22 + 35 + 55 + 70 + 77 + 110 + 154 + 385 = 958.

958 is not less than 770. Therefore, 770 is not a deficient number.

The deficiency of 770 is 770 minus the sum of its proper divisors. Thus, the deficiency of 770 is 770 - 958 = No Deficiency

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