79049805177 has 16 divisors (see below), whose sum is σ = 123712437632. Its totient is φ = 43950470400.

The previous prime is 79049805169. The next prime is 79049805221. The reversal of 79049805177 is 77150894097.

It is not a de Polignac number, because 79049805177 - 2³ = 79049805169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79049805167) 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, 50867824 + ... + 50869377.

It is an arithmetic number, because the mean of its divisors is an integer number (7732027352).

Almost surely, 2^79049805177 is an apocalyptic number.

It is an amenable number.

79049805177 is a deficient number, since it is larger than the sum of its proper divisors (44662632455).

79049805177 is a wasteful number, since it uses less digits than its factorization.

79049805177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101737248.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 79049805177 in words is "seventy-nine billion, forty-nine million, eight hundred five thousand, one hundred seventy-seven".