79179511677 has 16 divisors (see below), whose sum is σ = 121453535232. Its totient is φ = 44945794800.

The previous prime is 79179511673. The next prime is 79179511679. The reversal of 79179511677 is 77611597197.

It is not a de Polignac number, because 79179511677 - 2² = 79179511673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79179511677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79179511673) 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, 12481773 + ... + 12488114.

It is an arithmetic number, because the mean of its divisors is an integer number (7590845952).

Almost surely, 2^79179511677 is an apocalyptic number.

It is an amenable number.

79179511677 is a deficient number, since it is larger than the sum of its proper divisors (42274023555).

79179511677 is a wasteful number, since it uses less digits than its factorization.

79179511677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24970048.

The product of its digits is 5834430, while the sum is 60.

The spelling of 79179511677 in words is "seventy-nine billion, one hundred seventy-nine million, five hundred eleven thousand, six hundred seventy-seven".