79731613797 has 96 divisors (see below), whose sum is σ = 124765065600. Its totient is φ = 45169850880.

The previous prime is 79731613757. The next prime is 79731613823.

79731613797 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79731613797 - 2⁷ = 79731613669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79731613797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79731613747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107890854 + ... + 107891592.

It is an arithmetic number, because the mean of its divisors is an integer number (1299636100).

Almost surely, 2^79731613797 is an apocalyptic number.

It is an amenable number.

79731613797 is a deficient number, since it is larger than the sum of its proper divisors (45033451803).

79731613797 is a wasteful number, since it uses less digits than its factorization.

79731613797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1096 counting only the distinct ones).

The product of its digits is 10501974, while the sum is 60.

The spelling of 79731613797 in words is "seventy-nine billion, seven hundred thirty-one million, six hundred thirteen thousand, seven hundred ninety-seven".