9928992900 has 36 divisors (see below), whose sum is σ = 28727886992. Its totient is φ = 2647731360.

The previous prime is 9928992893. The next prime is 9928992911. The reversal of 9928992900 is 92998299.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16548022 + ... + 16548621.

Almost surely, 2^9928992900 is an apocalyptic number.

It is an amenable number.

9928992900 is an abundant number, since it is smaller than the sum of its proper divisors (18798894092).

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

9928992900 is a wasteful number, since it uses less digits than its factorization.

9928992900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33096660 (or 33096653 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 9928992900 is about 99644.3320013738. The cubic root of 9928992900 is about 2149.3232339016.

The spelling of 9928992900 in words is "nine billion, nine hundred twenty-eight million, nine hundred ninety-two thousand, nine hundred".