82697845984 has 48 divisors (see below), whose sum is σ = 175360368960. Its totient is φ = 38162787840.

The previous prime is 82697845931. The next prime is 82697845999. The reversal of 82697845984 is 48954879628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5229129 + ... + 5244919.

It is an arithmetic number, because the mean of its divisors is an integer number (3653341020).

Almost surely, 2^82697845984 is an apocalyptic number.

It is an amenable number.

82697845984 is an abundant number, since it is smaller than the sum of its proper divisors (92662522976).

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

82697845984 is a wasteful number, since it uses less digits than its factorization.

82697845984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28403 (or 28395 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 70.

The spelling of 82697845984 in words is "eighty-two billion, six hundred ninety-seven million, eight hundred forty-five thousand, nine hundred eighty-four".