79577223 has 24 divisors (see below), whose sum is σ = 117216624. Its totient is φ = 47984640.

The previous prime is 79577213. The next prime is 79577237. The reversal of 79577223 is 32277597.

It is not a de Polignac number, because 79577223 - 2⁵ = 79577191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79577213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92865 + ... + 93717.

It is an arithmetic number, because the mean of its divisors is an integer number (4884026).

Almost surely, 2^79577223 is an apocalyptic number.

79577223 is a deficient number, since it is larger than the sum of its proper divisors (37639401).

79577223 is a wasteful number, since it uses less digits than its factorization.

79577223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1124 counting only the distinct ones).

The product of its digits is 185220, while the sum is 42.

The square root of 79577223 is about 8920.6066497744. The cubic root of 79577223 is about 430.1265591054.

It can be divided in two parts, 79577 and 223, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 79577223 in words is "seventy-nine million, five hundred seventy-seven thousand, two hundred twenty-three".