82256670 has 48 divisors (see below), whose sum is σ = 217387872. Its totient is φ = 21574080.

The previous prime is 82256653. The next prime is 82256677. The reversal of 82256670 is 7665228.

82256670 is a `hidden beast` number, since 8 + 22 + 566 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82256677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2002 + ... + 12981.

It is an arithmetic number, because the mean of its divisors is an integer number (4528914).

Almost surely, 2^82256670 is an apocalyptic number.

82256670 is an abundant number, since it is smaller than the sum of its proper divisors (135131202).

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

82256670 is a wasteful number, since it uses less digits than its factorization.

82256670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15057 (or 15054 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 82256670 is about 9069.5462951572. The cubic root of 82256670 is about 434.9009683401.

The spelling of 82256670 in words is "eighty-two million, two hundred fifty-six thousand, six hundred seventy".