79699644916 has 24 divisors (see below), whose sum is σ = 142843044960. Its totient is φ = 38897320800.

The previous prime is 79699644889. The next prime is 79699644923. The reversal of 79699644916 is 61944699697.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214746 + ... + 1278673.

It is an arithmetic number, because the mean of its divisors is an integer number (5951793540).

Almost surely, 2^79699644916 is an apocalyptic number.

It is an amenable number.

79699644916 is a deficient number, since it is larger than the sum of its proper divisors (63143400044).

79699644916 is a wasteful number, since it uses less digits than its factorization.

79699644916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493615 (or 2493613 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 70.

The spelling of 79699644916 in words is "seventy-nine billion, six hundred ninety-nine million, six hundred forty-four thousand, nine hundred sixteen".