80859579177 has 16 divisors (see below), whose sum is σ = 116128551168. Its totient is φ = 49750103040.

The previous prime is 80859579169. The next prime is 80859579181. The reversal of 80859579177 is 77197595808.

It is not a de Polignac number, because 80859579177 - 2³ = 80859579169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80859579167) 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, 5833 + ... + 402185.

It is an arithmetic number, because the mean of its divisors is an integer number (7258034448).

Almost surely, 2^80859579177 is an apocalyptic number.

It is an amenable number.

80859579177 is a deficient number, since it is larger than the sum of its proper divisors (35268971991).

80859579177 is a wasteful number, since it uses less digits than its factorization.

80859579177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401600.

The product of its (nonzero) digits is 44452800, while the sum is 66.

The spelling of 80859579177 in words is "eighty billion, eight hundred fifty-nine million, five hundred seventy-nine thousand, one hundred seventy-seven".