82564356 has 24 divisors (see below), whose sum is σ = 220171840. Its totient is φ = 23589792.

The previous prime is 82564337. The next prime is 82564397. The reversal of 82564356 is 65346528.

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, 491371 + ... + 491538.

Almost surely, 2^82564356 is an apocalyptic number.

It is an amenable number.

82564356 is an abundant number, since it is smaller than the sum of its proper divisors (137607484).

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

82564356 is a wasteful number, since it uses less digits than its factorization.

82564356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982923 (or 982921 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 82564356 is about 9086.4930528780. The cubic root of 82564356 is about 435.4425513311.

The spelling of 82564356 in words is "eighty-two million, five hundred sixty-four thousand, three hundred fifty-six".