79712563 has 24 divisors (see below), whose sum is σ = 96883584. Its totient is φ = 65318400.

The previous prime is 79712557. The next prime is 79712587. The reversal of 79712563 is 36521797.

It is not a de Polignac number, because 79712563 - 2⁵ = 79712531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79712593) 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, 147073 + ... + 147613.

It is an arithmetic number, because the mean of its divisors is an integer number (4036816).

Almost surely, 2^79712563 is an apocalyptic number.

79712563 is a deficient number, since it is larger than the sum of its proper divisors (17171021).

79712563 is a wasteful number, since it uses less digits than its factorization.

79712563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 676 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 79712563 is about 8928.1892341056. The cubic root of 79712563 is about 430.3702651794.

The spelling of 79712563 in words is "seventy-nine million, seven hundred twelve thousand, five hundred sixty-three".