79443265 has 16 divisors (see below), whose sum is σ = 108521856. Its totient is φ = 55264000.

The previous prime is 79443251. The next prime is 79443277. The reversal of 79443265 is 56234497.

It is a happy number.

It is not a de Polignac number, because 79443265 - 2¹¹ = 79441217 is a prime.

It is a super-2 number, since 2×79443265² = 12622464707720450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30136 + ... + 32665.

It is an arithmetic number, because the mean of its divisors is an integer number (6782616).

Almost surely, 2^79443265 is an apocalyptic number.

It is an amenable number.

79443265 is a deficient number, since it is larger than the sum of its proper divisors (29078591).

79443265 is a wasteful number, since it uses less digits than its factorization.

79443265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62840.

The product of its digits is 181440, while the sum is 40.

The square root of 79443265 is about 8913.0951414197. The cubic root of 79443265 is about 429.8850693381.

It can be divided in two parts, 794432 and 65, that added together give a palindrome (794497).

The spelling of 79443265 in words is "seventy-nine million, four hundred forty-three thousand, two hundred sixty-five".