82432117 has 2 divisors, whose sum is σ = 82432118. Its totient is φ = 82432116.

The previous prime is 82432109. The next prime is 82432151. The reversal of 82432117 is 71123428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 1540081 = 8994^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 82432117 - 2³ = 82432109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82432157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41216058 + 41216059.

It is an arithmetic number, because the mean of its divisors is an integer number (41216059).

Almost surely, 2^82432117 is an apocalyptic number.

It is an amenable number.

82432117 is a deficient number, since it is larger than the sum of its proper divisors (1).

82432117 is an equidigital number, since it uses as much as digits as its factorization.

82432117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 82432117 is about 9079.2134571228. The cubic root of 82432117 is about 435.2099519383.

The spelling of 82432117 in words is "eighty-two million, four hundred thirty-two thousand, one hundred seventeen".