79823271 has 32 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 45980000.

The previous prime is 79823267. The next prime is 79823309. The reversal of 79823271 is 17232897.

It is not a de Polignac number, because 79823271 - 2² = 79823267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79823251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190300 + ... + 190718.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^79823271 is an apocalyptic number.

79823271 is a deficient number, since it is larger than the sum of its proper divisors (42104409).

79823271 is a wasteful number, since it uses less digits than its factorization.

79823271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 42336, while the sum is 39.

The square root of 79823271 is about 8934.3869963193. The cubic root of 79823271 is about 430.5694115006.

The spelling of 79823271 in words is "seventy-nine million, eight hundred twenty-three thousand, two hundred seventy-one".