390799791882 has 32 divisors (see below), whose sum is σ = 868467230400. Its totient is φ = 130263110064.

The previous prime is 390799791859. The next prime is 390799791929. The reversal of 390799791882 is 288197997093.

390799791882 is a `hidden beast` number, since 390 + 7 + 99 + 79 + 1 + 8 + 82 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 390799791882.

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, 2657508 + ... + 2800704.

It is an arithmetic number, because the mean of its divisors is an integer number (27139600950).

Almost surely, 2^390799791882 is an apocalyptic number.

390799791882 is an abundant number, since it is smaller than the sum of its proper divisors (477667438518).

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

390799791882 is a wasteful number, since it uses less digits than its factorization.

390799791882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193747 (or 193741 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 72.

The spelling of 390799791882 in words is "three hundred ninety billion, seven hundred ninety-nine million, seven hundred ninety-one thousand, eight hundred eighty-two".