9939880792 has 16 divisors (see below), whose sum is σ = 18649103400. Its totient is φ = 4966786560.

The previous prime is 9939880787. The next prime is 9939880793. The reversal of 9939880792 is 2970889399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9939880793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380809 + ... + 406072.

Almost surely, 2^9939880792 is an apocalyptic number.

It is an amenable number.

9939880792 is a deficient number, since it is larger than the sum of its proper divisors (8709222608).

9939880792 is a wasteful number, since it uses less digits than its factorization.

9939880792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788466 (or 788462 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 64.

The square root of 9939880792 is about 99698.9508069167. The cubic root of 9939880792 is about 2150.1085787602.

The spelling of 9939880792 in words is "nine billion, nine hundred thirty-nine million, eight hundred eighty thousand, seven hundred ninety-two".