79609984 has 32 divisors (see below), whose sum is σ = 163722240. Its totient is φ = 38519040.

The previous prime is 79609973. The next prime is 79609993. The reversal of 79609984 is 48990697.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064 + ... + 13999.

It is an arithmetic number, because the mean of its divisors is an integer number (5116320).

Almost surely, 2^79609984 is an apocalyptic number.

It is an amenable number.

79609984 is an abundant number, since it is smaller than the sum of its proper divisors (84112256).

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

79609984 is a wasteful number, since it uses less digits than its factorization.

79609984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20108 (or 20096 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 79609984 is about 8922.4427148623. The cubic root of 79609984 is about 430.1855770101.

The spelling of 79609984 in words is "seventy-nine million, six hundred nine thousand, nine hundred eighty-four".