79914033639 has 36 divisors (see below), whose sum is σ = 130308353448. Its totient is φ = 47123730720.

The previous prime is 79914033637. The next prime is 79914033671. The reversal of 79914033639 is 93633041997.

It is not a de Polignac number, because 79914033639 - 2¹ = 79914033637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79914033637) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 951369 + ... + 1031954.

Almost surely, 2^79914033639 is an apocalyptic number.

79914033639 is a deficient number, since it is larger than the sum of its proper divisors (50394319809).

79914033639 is a wasteful number, since it uses less digits than its factorization.

79914033639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983388 (or 1983374 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 54.

The spelling of 79914033639 in words is "seventy-nine billion, nine hundred fourteen million, thirty-three thousand, six hundred thirty-nine".