79839321776 has 20 divisors (see below), whose sum is σ = 154702462992. Its totient is φ = 39916105536.

The previous prime is 79839321767. The next prime is 79839321787. The reversal of 79839321776 is 67712393897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32015 + ... + 400878.

Almost surely, 2^79839321776 is an apocalyptic number.

It is an amenable number.

79839321776 is a deficient number, since it is larger than the sum of its proper divisors (74863141216).

79839321776 is a wasteful number, since it uses less digits than its factorization.

79839321776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444428 (or 444422 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 62.

The spelling of 79839321776 in words is "seventy-nine billion, eight hundred thirty-nine million, three hundred twenty-one thousand, seven hundred seventy-six".