79564899 has 8 divisors (see below), whose sum is σ = 106142400. Its totient is φ = 53015336.

The previous prime is 79564873. The next prime is 79564907. The reversal of 79564899 is 99846597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79564899 - 2⁵ = 79564867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79564699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952 + ... + 12650.

It is an arithmetic number, because the mean of its divisors is an integer number (13267800).

Almost surely, 2^79564899 is an apocalyptic number.

79564899 is a deficient number, since it is larger than the sum of its proper divisors (26577501).

79564899 is a wasteful number, since it uses less digits than its factorization.

79564899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969.

The product of its digits is 4898880, while the sum is 57.

The square root of 79564899 is about 8919.9158628319. The cubic root of 79564899 is about 430.1043536167.

The spelling of 79564899 in words is "seventy-nine million, five hundred sixty-four thousand, eight hundred ninety-nine".