82864656 has 60 divisors (see below), whose sum is σ = 265038592. Its totient is φ = 23675328.

The previous prime is 82864631. The next prime is 82864667. The reversal of 82864656 is 65646828.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40096 + ... + 42111.

Almost surely, 2^82864656 is an apocalyptic number.

It is an amenable number.

82864656 is an abundant number, since it is smaller than the sum of its proper divisors (182173936).

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

82864656 is a wasteful number, since it uses less digits than its factorization.

82864656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82228 (or 82219 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 82864656 is about 9103.0025815662. The cubic root of 82864656 is about 435.9698377137.

The spelling of 82864656 in words is "eighty-two million, eight hundred sixty-four thousand, six hundred fifty-six".