82957864 has 32 divisors (see below), whose sum is σ = 175543200. Its totient is φ = 36406720.

The previous prime is 82957843. The next prime is 82957871. The reversal of 82957864 is 46875928.

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, 13702 + ... + 18805.

It is an arithmetic number, because the mean of its divisors is an integer number (5485725).

Almost surely, 2^82957864 is an apocalyptic number.

It is an amenable number.

82957864 is an abundant number, since it is smaller than the sum of its proper divisors (92585336).

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

82957864 is a wasteful number, since it uses less digits than its factorization.

82957864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32553 (or 32549 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 82957864 is about 9108.1207721461. The cubic root of 82957864 is about 436.1332393056.

The spelling of 82957864 in words is "eighty-two million, nine hundred fifty-seven thousand, eight hundred sixty-four".