9928919192 has 32 divisors (see below), whose sum is σ = 18727394400. Its totient is φ = 4935033600.

The previous prime is 9928919191. The next prime is 9928919213. The reversal of 9928919192 is 2919198299.

9928919192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9928919191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981842 + ... + 991902.

It is an arithmetic number, because the mean of its divisors is an integer number (585231075).

Almost surely, 2^9928919192 is an apocalyptic number.

It is an amenable number.

9928919192 is a deficient number, since it is larger than the sum of its proper divisors (8798475208).

9928919192 is a wasteful number, since it uses less digits than its factorization.

9928919192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787 (or 10783 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 59.

The square root of 9928919192 is about 99643.9621452299. The cubic root of 9928919192 is about 2149.3179153793.

The spelling of 9928919192 in words is "nine billion, nine hundred twenty-eight million, nine hundred nineteen thousand, one hundred ninety-two".