79667328 has 64 divisors (see below), whose sum is σ = 227908800. Its totient is φ = 24511488.

The previous prime is 79667311. The next prime is 79667359. The reversal of 79667328 is 82376697.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 2988 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (3561075).

Almost surely, 2^79667328 is an apocalyptic number.

79667328 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

79667328 is an abundant number, since it is smaller than the sum of its proper divisors (148241472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79667328 is a wasteful number, since it uses less digits than its factorization.

79667328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15989 (or 15977 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 79667328 is about 8925.6556061726. The cubic root of 79667328 is about 430.2888414494.

The spelling of 79667328 in words is "seventy-nine million, six hundred sixty-seven thousand, three hundred twenty-eight".