79558885597 has 8 divisors (see below), whose sum is σ = 81803672280. Its totient is φ = 77341642560.

The previous prime is 79558885577. The next prime is 79558885603.

79558885597 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 49222303321 + 30336582276 = 221861^2 + 174174^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79558885597 - 2²³ = 79550496989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79558885577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6880054 + ... + 6891607.

It is an arithmetic number, because the mean of its divisors is an integer number (10225459035).

Almost surely, 2^79558885597 is an apocalyptic number.

It is an amenable number.

79558885597 is a deficient number, since it is larger than the sum of its proper divisors (2244786683).

79558885597 is a wasteful number, since it uses less digits than its factorization.

79558885597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771823.

The product of its digits is 1270080000, while the sum is 76.

The spelling of 79558885597 in words is "seventy-nine billion, five hundred fifty-eight million, eight hundred eighty-five thousand, five hundred ninety-seven".