79456799 has 4 divisors (see below), whose sum is σ = 79640736. Its totient is φ = 79272864.

The previous prime is 79456757. The next prime is 79456823. The reversal of 79456799 is 99765497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99765497 = 13 ⋅7674269.

It is a cyclic number.

It is not a de Polignac number, because 79456799 - 2⁸ = 79456543 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 (79456199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91319 + ... + 92184.

It is an arithmetic number, because the mean of its divisors is an integer number (19910184).

Almost surely, 2^79456799 is an apocalyptic number.

79456799 is a deficient number, since it is larger than the sum of its proper divisors (183937).

79456799 is a wasteful number, since it uses less digits than its factorization.

79456799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183936.

The product of its digits is 4286520, while the sum is 56.

The square root of 79456799 is about 8913.8543290767. The cubic root of 79456799 is about 429.9094797739.

The spelling of 79456799 in words is "seventy-nine million, four hundred fifty-six thousand, seven hundred ninety-nine".