82208667972 has 12 divisors (see below), whose sum is σ = 191820225296. Its totient is φ = 27402889320.

The previous prime is 82208667929. The next prime is 82208668007. The reversal of 82208667972 is 27976680228.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 3425361154 + ... + 3425361177.

Almost surely, 2^82208667972 is an apocalyptic number.

It is an amenable number.

82208667972 is an abundant number, since it is smaller than the sum of its proper divisors (109611557324).

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

82208667972 is a wasteful number, since it uses less digits than its factorization.

82208667972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850722338 (or 6850722336 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 82208667972 in words is "eighty-two billion, two hundred eight million, six hundred sixty-seven thousand, nine hundred seventy-two".