82565888 has 18 divisors (see below), whose sum is σ = 164809764. Its totient is φ = 41282816.

The previous prime is 82565867. The next prime is 82565893. The reversal of 82565888 is 88856528.

It is a super-2 number, since 2×82565888² = 13634251722457088, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 161006 + ... + 161517.

It is an arithmetic number, because the mean of its divisors is an integer number (9156098).

Almost surely, 2^82565888 is an apocalyptic number.

It is an amenable number.

82565888 is a deficient number, since it is larger than the sum of its proper divisors (82243876).

82565888 is an equidigital number, since it uses as much as digits as its factorization.

82565888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322539 (or 322525 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 50.

The square root of 82565888 is about 9086.5773534373. The cubic root of 82565888 is about 435.4452445589.

The spelling of 82565888 in words is "eighty-two million, five hundred sixty-five thousand, eight hundred eighty-eight".