79964511 has 32 divisors (see below), whose sum is σ = 121113600. Its totient is φ = 46500480.

The previous prime is 79964509. The next prime is 79964527. The reversal of 79964511 is 11546997.

It is not a de Polignac number, because 79964511 - 2¹ = 79964509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79964551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96045 + ... + 96873.

It is an arithmetic number, because the mean of its divisors is an integer number (3784800).

Almost surely, 2^79964511 is an apocalyptic number.

79964511 is a deficient number, since it is larger than the sum of its proper divisors (41149089).

79964511 is a wasteful number, since it uses less digits than its factorization.

79964511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 68040, while the sum is 42.

The square root of 79964511 is about 8942.2877945188. The cubic root of 79964511 is about 430.8232129718.

The spelling of 79964511 in words is "seventy-nine million, nine hundred sixty-four thousand, five hundred eleven".