79189845426 has 64 divisors (see below), whose sum is σ = 176676854400. Its totient is φ = 26291865600.

The previous prime is 79189845401. The next prime is 79189845437. The reversal of 79189845426 is 62454898197.

79189845426 is a `hidden beast` number, since 7 + 9 + 1 + 8 + 9 + 84 + 542 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37194730 + ... + 37196858.

It is an arithmetic number, because the mean of its divisors is an integer number (2760575850).

Almost surely, 2^79189845426 is an apocalyptic number.

79189845426 is an abundant number, since it is smaller than the sum of its proper divisors (97487008974).

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

79189845426 is a wasteful number, since it uses less digits than its factorization.

79189845426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552 (or 4546 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 79189845426 in words is "seventy-nine billion, one hundred eighty-nine million, eight hundred forty-five thousand, four hundred twenty-six".