82579875864 has 64 divisors (see below), whose sum is σ = 217484572800. Its totient is φ = 26057562624.

The previous prime is 82579875863. The next prime is 82579875893. The reversal of 82579875864 is 46857897528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82579875863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521619 + ... + 661245.

It is an arithmetic number, because the mean of its divisors is an integer number (3398196450).

Almost surely, 2^82579875864 is an apocalyptic number.

It is an amenable number.

82579875864 is an abundant number, since it is smaller than the sum of its proper divisors (134904696936).

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

82579875864 is a wasteful number, since it uses less digits than its factorization.

82579875864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140952 (or 140948 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 69.

The spelling of 82579875864 in words is "eighty-two billion, five hundred seventy-nine million, eight hundred seventy-five thousand, eight hundred sixty-four".