79358685397 has 16 divisors (see below), whose sum is σ = 83347007040. Its totient is φ = 75454549632.

The previous prime is 79358685361. The next prime is 79358685437.

79358685397 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79358685397 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 (79358685797) 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, 10338753 + ... + 10346425.

It is an arithmetic number, because the mean of its divisors is an integer number (5209187940).

Almost surely, 2^79358685397 is an apocalyptic number.

It is an amenable number.

79358685397 is a deficient number, since it is larger than the sum of its proper divisors (3988321643).

79358685397 is a wasteful number, since it uses less digits than its factorization.

79358685397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092.

The product of its digits is 342921600, while the sum is 70.

The spelling of 79358685397 in words is "seventy-nine billion, three hundred fifty-eight million, six hundred eighty-five thousand, three hundred ninety-seven".