83891112404 has 24 divisors (see below), whose sum is σ = 160725733056. Its totient is φ = 37996616000.

The previous prime is 83891112377. The next prime is 83891112419. The reversal of 83891112404 is 40421119838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380192 + ... + 3404919.

It is an arithmetic number, because the mean of its divisors is an integer number (6696905544).

Almost surely, 2^83891112404 is an apocalyptic number.

It is an amenable number.

83891112404 is a deficient number, since it is larger than the sum of its proper divisors (76834620652).

83891112404 is a wasteful number, since it uses less digits than its factorization.

83891112404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785407 (or 6785405 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 83891112404 in words is "eighty-three billion, eight hundred ninety-one million, one hundred twelve thousand, four hundred four".