79982642050 has 24 divisors (see below), whose sum is σ = 149589652212. Its totient is φ = 31816296000.

The previous prime is 79982642011. The next prime is 79982642087. The reversal of 79982642050 is 5024628997.

It can be written as a sum of positive squares in 6 ways, for example, as 22502100049 + 57480542001 = 150007^2 + 239751^2 .

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 11 ways as a sum of consecutive naturals, for example, 4409881 + ... + 4427980.

Almost surely, 2^79982642050 is an apocalyptic number.

79982642050 is a deficient number, since it is larger than the sum of its proper divisors (69607010162).

79982642050 is a wasteful number, since it uses less digits than its factorization.

79982642050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8838054 (or 8838049 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 79982642050 in words is "seventy-nine billion, nine hundred eighty-two million, six hundred forty-two thousand, fifty".