82108974 has 16 divisors (see below), whose sum is σ = 164407680. Its totient is φ = 27338040.

The previous prime is 82108921. The next prime is 82108991. The reversal of 82108974 is 47980128.

It is a super-2 number, since 2×82108974² = 13483767222665352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (10275480).

Almost surely, 2^82108974 is an apocalyptic number.

82108974 is an abundant number, since it is smaller than the sum of its proper divisors (82298706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82108974 is a wasteful number, since it uses less digits than its factorization.

82108974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 82108974 is about 9061.4002229236. The cubic root of 82108974 is about 434.6405168516.

The spelling of 82108974 in words is "eighty-two million, one hundred eight thousand, nine hundred seventy-four".