82191923532 has 48 divisors (see below), whose sum is σ = 219964057600. Its totient is φ = 26513522640.

The previous prime is 82191923497. The next prime is 82191923549. The reversal of 82191923532 is 23532919128.

82191923532 is a `hidden beast` number, since 8 + 2 + 1 + 91 + 9 + 23 + 532 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12271432 + ... + 12278127.

Almost surely, 2^82191923532 is an apocalyptic number.

It is an amenable number.

82191923532 is an abundant number, since it is smaller than the sum of its proper divisors (137772134068).

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

82191923532 is a wasteful number, since it uses less digits than its factorization.

82191923532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24549603 (or 24549595 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 82191923532 in words is "eighty-two billion, one hundred ninety-one million, nine hundred twenty-three thousand, five hundred thirty-two".