82564312 has 16 divisors (see below), whose sum is σ = 155005200. Its totient is φ = 41229600.

The previous prime is 82564297. The next prime is 82564337. The reversal of 82564312 is 21346528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (9687825).

Almost surely, 2^82564312 is an apocalyptic number.

It is an amenable number.

82564312 is a deficient number, since it is larger than the sum of its proper divisors (72440888).

82564312 is a wasteful number, since it uses less digits than its factorization.

82564312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146 (or 13142 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 82564312 is about 9086.4906317015. The cubic root of 82564312 is about 435.4424739794.

The spelling of 82564312 in words is "eighty-two million, five hundred sixty-four thousand, three hundred twelve".