82890295972 has 48 divisors (see below), whose sum is σ = 163777723200. Its totient is φ = 36361324160.

The previous prime is 82890295963. The next prime is 82890296081. The reversal of 82890295972 is 27959209828.

It is a self number, because there is not a number n which added to its sum of digits gives 82890295972.

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, 2970678 + ... + 2998450.

It is an arithmetic number, because the mean of its divisors is an integer number (3412035900).

Almost surely, 2^82890295972 is an apocalyptic number.

It is an amenable number.

82890295972 is a deficient number, since it is larger than the sum of its proper divisors (80887427228).

82890295972 is a wasteful number, since it uses less digits than its factorization.

82890295972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30156 (or 30154 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 82890295972 in words is "eighty-two billion, eight hundred ninety million, two hundred ninety-five thousand, nine hundred seventy-two".