79931539982 has 12 divisors (see below), whose sum is σ = 139472381160. Its totient is φ = 34256374236.

The previous prime is 79931539969. The next prime is 79931539991. The reversal of 79931539982 is 28993513997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407813882 + ... + 407814077.

It is an arithmetic number, because the mean of its divisors is an integer number (11622698430).

Almost surely, 2^79931539982 is an apocalyptic number.

79931539982 is a deficient number, since it is larger than the sum of its proper divisors (59540841178).

79931539982 is a wasteful number, since it uses less digits than its factorization.

79931539982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815627975 (or 815627968 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 65.

The spelling of 79931539982 in words is "seventy-nine billion, nine hundred thirty-one million, five hundred thirty-nine thousand, nine hundred eighty-two".