79790223 has 16 divisors (see below), whose sum is σ = 112744800. Its totient is φ = 50104320.

The previous prime is 79790203. The next prime is 79790279. The reversal of 79790223 is 32209797.

It is not a de Polignac number, because 79790223 - 2⁶ = 79790159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79790203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7618 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (7046550).

Almost surely, 2^79790223 is an apocalyptic number.

79790223 is a deficient number, since it is larger than the sum of its proper divisors (32954577).

79790223 is a wasteful number, since it uses less digits than its factorization.

79790223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22442.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 79790223 is about 8932.5373215005. The cubic root of 79790223 is about 430.5099826234.

The spelling of 79790223 in words is "seventy-nine million, seven hundred ninety thousand, two hundred twenty-three".