9792988938 has 48 divisors (see below), whose sum is σ = 22332492000. Its totient is φ = 3215597616.

The previous prime is 9792988903. The next prime is 9792988943. The reversal of 9792988938 is 8398892979.

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, 117813 + ... + 182936.

It is an arithmetic number, because the mean of its divisors is an integer number (465260250).

Almost surely, 2^9792988938 is an apocalyptic number.

9792988938 is an abundant number, since it is smaller than the sum of its proper divisors (12539503062).

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

9792988938 is a wasteful number, since it uses less digits than its factorization.

9792988938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300833 (or 300821 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 72.

The square root of 9792988938 is about 98959.5318198303. The cubic root of 9792988938 is about 2139.4645163526.

The spelling of 9792988938 in words is "nine billion, seven hundred ninety-two million, nine hundred eighty-eight thousand, nine hundred thirty-eight".