9936977928 has 64 divisors (see below), whose sum is σ = 24964796160. Its totient is φ = 3296056896.

The previous prime is 9936977917. The next prime is 9936977959. The reversal of 9936977928 is 8297796399.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5687151 + ... + 5688897.

It is an arithmetic number, because the mean of its divisors is an integer number (390074940).

Almost surely, 2^9936977928 is an apocalyptic number.

It is an amenable number.

9936977928 is an abundant number, since it is smaller than the sum of its proper divisors (15027818232).

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

9936977928 is a wasteful number, since it uses less digits than its factorization.

9936977928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2782 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 69.

The square root of 9936977928 is about 99684.3915966788. The cubic root of 9936977928 is about 2149.8992509487.

The spelling of 9936977928 in words is "nine billion, nine hundred thirty-six million, nine hundred seventy-seven thousand, nine hundred twenty-eight".