79115523 has 8 divisors (see below), whose sum is σ = 107731968. Its totient is φ = 51621384.

The previous prime is 79115507. The next prime is 79115537. The reversal of 79115523 is 32551197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79115523 - 2⁴ = 79115507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79115593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280411 + ... + 280692.

It is an arithmetic number, because the mean of its divisors is an integer number (13466496).

Almost surely, 2^79115523 is an apocalyptic number.

79115523 is a deficient number, since it is larger than the sum of its proper divisors (28616445).

79115523 is a wasteful number, since it uses less digits than its factorization.

79115523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561153.

The product of its digits is 9450, while the sum is 33.

The square root of 79115523 is about 8894.6907197496. The cubic root of 79115523 is about 429.2930930553.

The spelling of 79115523 in words is "seventy-nine million, one hundred fifteen thousand, five hundred twenty-three".