9988306892 has 12 divisors (see below), whose sum is σ = 17659739160. Its totient is φ = 4942667136.

The previous prime is 9988306877. The next prime is 9988306949. The reversal of 9988306892 is 2986038899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12871142 + ... + 12871917.

It is an arithmetic number, because the mean of its divisors is an integer number (1471644930).

Almost surely, 2^9988306892 is an apocalyptic number.

It is an amenable number.

9988306892 is a deficient number, since it is larger than the sum of its proper divisors (7671432268).

9988306892 is a wasteful number, since it uses less digits than its factorization.

9988306892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25743160 (or 25743158 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 62.

The square root of 9988306892 is about 99941.5173589035. The cubic root of 9988306892 is about 2153.5946279319.

The spelling of 9988306892 in words is "nine billion, nine hundred eighty-eight million, three hundred six thousand, eight hundred ninety-two".