79279968 has 48 divisors (see below), whose sum is σ = 215293680. Its totient is φ = 25514496.

The previous prime is 79279957. The next prime is 79279973. The reversal of 79279968 is 86997297.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11455 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (4485285).

Almost surely, 2^79279968 is an apocalyptic number.

It is an amenable number.

79279968 is an abundant number, since it is smaller than the sum of its proper divisors (136013712).

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

79279968 is a wasteful number, since it uses less digits than its factorization.

79279968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28519 (or 28511 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 57.

The square root of 79279968 is about 8903.9299188617. The cubic root of 79279968 is about 429.5903219040.

The spelling of 79279968 in words is "seventy-nine million, two hundred seventy-nine thousand, nine hundred sixty-eight".