79968584 has 8 divisors (see below), whose sum is σ = 149941110. Its totient is φ = 39984288.

The previous prime is 79968583. The next prime is 79968593. The reversal of 79968584 is 48586997.

It can be written as a sum of positive squares in only one way, i.e., 72624484 + 7344100 = 8522^2 + 2710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (79968583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998029 + ... + 4998044.

Almost surely, 2^79968584 is an apocalyptic number.

It is an amenable number.

79968584 is a deficient number, since it is larger than the sum of its proper divisors (69972526).

79968584 is a wasteful number, since it uses less digits than its factorization.

79968584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996079 (or 9996075 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 79968584 is about 8942.5155297601. The cubic root of 79968584 is about 430.8305275214.

The spelling of 79968584 in words is "seventy-nine million, nine hundred sixty-eight thousand, five hundred eighty-four".