79516261597 has 8 divisors (see below), whose sum is σ = 79930191744. Its totient is φ = 79102952928.

The previous prime is 79516261579. The next prime is 79516261631.

79516261597 is nontrivially palindromic in base 10.

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 79516261597 - 2¹⁵ = 79516228829 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 (79516261547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102298 + ... + 411700.

It is an arithmetic number, because the mean of its divisors is an integer number (9991273968).

Almost surely, 2^79516261597 is an apocalyptic number.

It is an amenable number.

79516261597 is a deficient number, since it is larger than the sum of its proper divisors (413930147).

79516261597 is a wasteful number, since it uses less digits than its factorization.

79516261597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310739.

The product of its digits is 7144200, while the sum is 58.

The spelling of 79516261597 in words is "seventy-nine billion, five hundred sixteen million, two hundred sixty-one thousand, five hundred ninety-seven".