79918763645742 has 16 divisors (see below), whose sum is σ = 182671459761792. Its totient is φ = 22833932470200.

The previous prime is 79918763645737. The next prime is 79918763645759. The reversal of 79918763645742 is 24754636781997.

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, 951413852884 + ... + 951413852967.

It is an arithmetic number, because the mean of its divisors is an integer number (11416966235112).

Almost surely, 2^{79918763645742} is an apocalyptic number.

79918763645742 is an abundant number, since it is smaller than the sum of its proper divisors (102752696116050).

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

79918763645742 is a wasteful number, since it uses less digits than its factorization.

79918763645742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902827705863.

The product of its digits is 3840721920, while the sum is 78.

The spelling of 79918763645742 in words is "seventy-nine trillion, nine hundred eighteen billion, seven hundred sixty-three million, six hundred forty-five thousand, seven hundred forty-two".