79623407 has 4 divisors (see below), whose sum is σ = 82191936. Its totient is φ = 77054880.

The previous prime is 79623367. The next prime is 79623409. The reversal of 79623407 is 70432697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70432697 = 5281 ⋅13337.

It is a cyclic number.

It is not a de Polignac number, because 79623407 - 2⁶ = 79623343 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 (79623409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284218 + ... + 1284279.

It is an arithmetic number, because the mean of its divisors is an integer number (20547984).

Almost surely, 2^79623407 is an apocalyptic number.

79623407 is a deficient number, since it is larger than the sum of its proper divisors (2568529).

79623407 is a wasteful number, since it uses less digits than its factorization.

79623407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568528.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 79623407 is about 8923.1948874828. The cubic root of 79623407 is about 430.2097534438.

The spelling of 79623407 in words is "seventy-nine million, six hundred twenty-three thousand, four hundred seven".