79964518 has 8 divisors (see below), whose sum is σ = 120326112. Its totient is φ = 39855816.

The previous prime is 79964509. The next prime is 79964527. The reversal of 79964518 is 81546997.

It is an interprime number because it is at equal distance from previous prime (79964509) and next prime (79964527).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62430 + ... + 63697.

It is an arithmetic number, because the mean of its divisors is an integer number (15040764).

Almost surely, 2^79964518 is an apocalyptic number.

79964518 is a deficient number, since it is larger than the sum of its proper divisors (40361594).

79964518 is a wasteful number, since it uses less digits than its factorization.

79964518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126446.

The product of its digits is 544320, while the sum is 49.

The square root of 79964518 is about 8942.2881859175. The cubic root of 79964518 is about 430.8232255430.

The spelling of 79964518 in words is "seventy-nine million, nine hundred sixty-four thousand, five hundred eighteen".