79688326531 has 24 divisors (see below), whose sum is σ = 92239479360. Its totient is φ = 68602731120.

The previous prime is 79688326513. The next prime is 79688326537. The reversal of 79688326531 is 13562388697.

It is not a de Polignac number, because 79688326531 - 2¹⁷ = 79688195459 is a prime.

It is a super-2 number, since 2×79688326531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79688326537) 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 23 ways as a sum of consecutive naturals, for example, 7082196 + ... + 7093438.

It is an arithmetic number, because the mean of its divisors is an integer number (3843311640).

Almost surely, 2^79688326531 is an apocalyptic number.

79688326531 is a deficient number, since it is larger than the sum of its proper divisors (12551152829).

79688326531 is a wasteful number, since it uses less digits than its factorization.

79688326531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14367 (or 14356 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The spelling of 79688326531 in words is "seventy-nine billion, six hundred eighty-eight million, three hundred twenty-six thousand, five hundred thirty-one".