79385823 has 24 divisors (see below), whose sum is σ = 129133056. Its totient is φ = 46558800.

The previous prime is 79385809. The next prime is 79385843. The reversal of 79385823 is 32858397.

It is not a de Polignac number, because 79385823 - 2⁸ = 79385567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79385843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9865 + ... + 16002.

It is an arithmetic number, because the mean of its divisors is an integer number (5380544).

Almost surely, 2^79385823 is an apocalyptic number.

79385823 is a deficient number, since it is larger than the sum of its proper divisors (49747233).

79385823 is a wasteful number, since it uses less digits than its factorization.

79385823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25915 (or 25912 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 79385823 is about 8909.8722213060. The cubic root of 79385823 is about 429.7814339024.

It can be divided in two parts, 793858 and 23, that added together give a square (793881 = 891²).

The spelling of 79385823 in words is "seventy-nine million, three hundred eighty-five thousand, eight hundred twenty-three".