79191595404 has 48 divisors (see below), whose sum is σ = 205327477600. Its totient is φ = 26395149888.

The previous prime is 79191595369. The next prime is 79191595409. The reversal of 79191595404 is 40459519197.

It is a happy number.

79191595404 is a `hidden beast` number, since 7 + 9 + 1 + 9 + 1 + 595 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (79191595409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110842 + ... + 2148030.

Almost surely, 2^79191595404 is an apocalyptic number.

It is an amenable number.

79191595404 is an abundant number, since it is smaller than the sum of its proper divisors (126135882196).

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

79191595404 is a wasteful number, since it uses less digits than its factorization.

79191595404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56919 (or 56911 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 79191595404 in words is "seventy-nine billion, one hundred ninety-one million, five hundred ninety-five thousand, four hundred four".