82208864 has 12 divisors (see below), whose sum is σ = 161848764. Its totient is φ = 41104416.

The previous prime is 82208851. The next prime is 82208879. The reversal of 82208864 is 46880228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284482 + ... + 1284545.

It is an arithmetic number, because the mean of its divisors is an integer number (13487397).

Almost surely, 2^82208864 is an apocalyptic number.

It is an amenable number.

82208864 is a deficient number, since it is larger than the sum of its proper divisors (79639900).

82208864 is a wasteful number, since it uses less digits than its factorization.

82208864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569037 (or 2569029 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 82208864 is about 9066.9103888811. The cubic root of 82208864 is about 434.8166999773.

The spelling of 82208864 in words is "eighty-two million, two hundred eight thousand, eight hundred sixty-four".