79564443 has 32 divisors (see below), whose sum is σ = 124110336. Its totient is φ = 44402688.

The previous prime is 79564423. The next prime is 79564469. The reversal of 79564443 is 34446597.

It is not a de Polignac number, because 79564443 - 2⁵ = 79564411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79564395 and 79564404.

It is not an unprimeable number, because it can be changed into a prime (79564423) 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, 271405 + ... + 271697.

It is an arithmetic number, because the mean of its divisors is an integer number (3878448).

Almost surely, 2^79564443 is an apocalyptic number.

79564443 is a deficient number, since it is larger than the sum of its proper divisors (44545893).

79564443 is a wasteful number, since it uses less digits than its factorization.

79564443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its digits is 362880, while the sum is 42.

The square root of 79564443 is about 8919.8903020161. The cubic root of 79564443 is about 430.1035319480.

The spelling of 79564443 in words is "seventy-nine million, five hundred sixty-four thousand, four hundred forty-three".