79557799775597 has 16 divisors (see below), whose sum is σ = 93471509785920. Its totient is φ = 66758215910400.

The previous prime is 79557799775591. The next prime is 79557799775627.

79557799775597 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 79557799775597 - 2⁸ = 79557799775341 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 (79557799775591) 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, 12209972 + ... + 17555597.

It is an arithmetic number, because the mean of its divisors is an integer number (5841969361620).

Almost surely, 2^{79557799775597} is an apocalyptic number.

It is an amenable number.

79557799775597 is a deficient number, since it is larger than the sum of its proper divisors (13913710010323).

79557799775597 is a wasteful number, since it uses less digits than its factorization.

79557799775597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29784284.

The product of its digits is 482434430625, while the sum is 98.

The spelling of 79557799775597 in words is "seventy-nine trillion, five hundred fifty-seven billion, seven hundred ninety-nine million, seven hundred seventy-five thousand, five hundred ninety-seven".