39799116918 has 48 divisors (see below), whose sum is σ = 97314469200. Its totient is φ = 11644463040.

The previous prime is 39799116893. The next prime is 39799116971. The reversal of 39799116918 is 81961199793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3459873 + ... + 3471356.

It is an arithmetic number, because the mean of its divisors is an integer number (2027384775).

Almost surely, 2^39799116918 is an apocalyptic number.

39799116918 is an abundant number, since it is smaller than the sum of its proper divisors (57515352282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39799116918 is a wasteful number, since it uses less digits than its factorization.

39799116918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931277 (or 6931274 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 63.

The spelling of 39799116918 in words is "thirty-nine billion, seven hundred ninety-nine million, one hundred sixteen thousand, nine hundred eighteen".