79952518 has 4 divisors (see below), whose sum is σ = 119928780. Its totient is φ = 39976258.

The previous prime is 79952471. The next prime is 79952533. The reversal of 79952518 is 81525997.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19988128 + ... + 19988131.

It is an arithmetic number, because the mean of its divisors is an integer number (29982195).

Almost surely, 2^79952518 is an apocalyptic number.

79952518 is a deficient number, since it is larger than the sum of its proper divisors (39976262).

79952518 is a wasteful number, since it uses less digits than its factorization.

79952518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39976261.

The product of its digits is 226800, while the sum is 46.

The square root of 79952518 is about 8941.6171915376. The cubic root of 79952518 is about 430.8016737454.

The spelling of 79952518 in words is "seventy-nine million, nine hundred fifty-two thousand, five hundred eighteen".