79926568 has 8 divisors (see below), whose sum is σ = 149862330. Its totient is φ = 39963280.

The previous prime is 79926557. The next prime is 79926569. The reversal of 79926568 is 86562997.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 23406244 = 7518^2 + 4838^2 .

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 (79926569) by changing a digit.

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 as a sum of consecutive naturals, namely, 4995403 + ... + 4995418.

Almost surely, 2^79926568 is an apocalyptic number.

It is an amenable number.

79926568 is a deficient number, since it is larger than the sum of its proper divisors (69935762).

79926568 is a wasteful number, since it uses less digits than its factorization.

79926568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990827 (or 9990823 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 79926568 is about 8940.1659939847. The cubic root of 79926568 is about 430.7550606079.

The spelling of 79926568 in words is "seventy-nine million, nine hundred twenty-six thousand, five hundred sixty-eight".