9928992902 has 32 divisors (see below), whose sum is σ = 16093598400. Its totient is φ = 4577430528.

The previous prime is 9928992893. The next prime is 9928992911. The reversal of 9928992902 is 2092998299.

It is an interprime number because it is at equal distance from previous prime (9928992893) and next prime (9928992911).

It is a congruent number.

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, 314783 + ... + 344885.

It is an arithmetic number, because the mean of its divisors is an integer number (502924950).

Almost surely, 2^9928992902 is an apocalyptic number.

9928992902 is a deficient number, since it is larger than the sum of its proper divisors (6164605498).

9928992902 is a wasteful number, since it uses less digits than its factorization.

9928992902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30320.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 9928992902 is about 99644.3320114095. The cubic root of 9928992902 is about 2149.3232340459.

The spelling of 9928992902 in words is "nine billion, nine hundred twenty-eight million, nine hundred ninety-two thousand, nine hundred two".