79560585553 has 4 divisors (see below), whose sum is σ = 79616340720. Its totient is φ = 79504830388.

The previous prime is 79560585523. The next prime is 79560585569. The reversal of 79560585553 is 35558506597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35558506597 = 1567 ⋅22692091.

It is a cyclic number.

It is not a de Polignac number, because 79560585553 - 2²⁹ = 79023714641 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79560585523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27875443 + ... + 27878296.

It is an arithmetic number, because the mean of its divisors is an integer number (19904085180).

Almost surely, 2^79560585553 is an apocalyptic number.

It is an amenable number.

79560585553 is a deficient number, since it is larger than the sum of its proper divisors (55755167).

79560585553 is a wasteful number, since it uses less digits than its factorization.

79560585553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55755166.

The product of its (nonzero) digits is 28350000, while the sum is 58.

The spelling of 79560585553 in words is "seventy-nine billion, five hundred sixty million, five hundred eighty-five thousand, five hundred fifty-three".