79995407 has 4 divisors (see below), whose sum is σ = 82575936. Its totient is φ = 77414880.

The previous prime is 79995401. The next prime is 79995431. The reversal of 79995407 is 70459997.

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

It is a cyclic number.

It is not a de Polignac number, because 79995407 - 2¹⁸ = 79733263 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 (79995401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290218 + ... + 1290279.

It is an arithmetic number, because the mean of its divisors is an integer number (20643984).

Almost surely, 2^79995407 is an apocalyptic number.

79995407 is a deficient number, since it is larger than the sum of its proper divisors (2580529).

79995407 is a wasteful number, since it uses less digits than its factorization.

79995407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580528.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 79995407 is about 8944.0151498083. The cubic root of 79995407 is about 430.8786917498.

The spelling of 79995407 in words is "seventy-nine million, nine hundred ninety-five thousand, four hundred seven".