79316455 has 4 divisors (see below), whose sum is σ = 95179752. Its totient is φ = 63453160.

The previous prime is 79316449. The next prime is 79316513. The reversal of 79316455 is 55461397.

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

It is not a de Polignac number, because 79316455 - 2⁵ = 79316423 is a prime.

It is a super-2 number, since 2×79316455² = 12582200067534050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7931641 + ... + 7931650.

It is an arithmetic number, because the mean of its divisors is an integer number (23794938).

Almost surely, 2^79316455 is an apocalyptic number.

79316455 is a deficient number, since it is larger than the sum of its proper divisors (15863297).

79316455 is a wasteful number, since it uses less digits than its factorization.

79316455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15863296.

The product of its digits is 113400, while the sum is 40.

The square root of 79316455 is about 8905.9786099002. The cubic root of 79316455 is about 429.6562152121.

The spelling of 79316455 in words is "seventy-nine million, three hundred sixteen thousand, four hundred fifty-five".