79983368739 has 12 divisors (see below), whose sum is σ = 119258356672. Its totient is φ = 51602173200.

The previous prime is 79983368737. The next prime is 79983368761. The reversal of 79983368739 is 93786338997.

It is not a de Polignac number, because 79983368739 - 2¹ = 79983368737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79983368737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143339092 + ... + 143339649.

Almost surely, 2^79983368739 is an apocalyptic number.

79983368739 is a deficient number, since it is larger than the sum of its proper divisors (39274987933).

79983368739 is a wasteful number, since it uses less digits than its factorization.

79983368739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286678778 (or 286678775 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 72.

The spelling of 79983368739 in words is "seventy-nine billion, nine hundred eighty-three million, three hundred sixty-eight thousand, seven hundred thirty-nine".