79964863 has 16 divisors (see below), whose sum is σ = 93571200. Its totient is φ = 67560480.

The previous prime is 79964851. The next prime is 79964879. The reversal of 79964863 is 36846997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79964863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79964863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79964263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7468 + ... + 14686.

It is an arithmetic number, because the mean of its divisors is an integer number (5848200).

Almost surely, 2^79964863 is an apocalyptic number.

79964863 is a deficient number, since it is larger than the sum of its proper divisors (13606337).

79964863 is a wasteful number, since it uses less digits than its factorization.

79964863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302.

The product of its digits is 1959552, while the sum is 52.

The square root of 79964863 is about 8942.3074762614. The cubic root of 79964863 is about 430.8238451253.

The spelling of 79964863 in words is "seventy-nine million, nine hundred sixty-four thousand, eight hundred sixty-three".