Is 87 a deficient number and what is its deficiency?

Is 87 a deficient number?

Here we will explain and calculate if 87 is a deficient number and its deficiency if applicable.

87 is a deficient number if the sum of its proper divisors is less than 87.

The sum of its proper divisors is calculated as follows: 1 + 3 + 29 = 33.

33 is less than 87. Therefore, 87 is a deficient number.

The deficiency of 87 is 87 minus the sum of its proper divisors. Thus, the deficiency of 87 is 87 - 33 = 54

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