9988879192 has 32 divisors (see below), whose sum is σ = 18942678720. Its totient is φ = 4937610240.

The previous prime is 9988879163. The next prime is 9988879217. The reversal of 9988879192 is 2919788899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767217 + ... + 780127.

It is an arithmetic number, because the mean of its divisors is an integer number (591958710).

Almost surely, 2^9988879192 is an apocalyptic number.

It is an amenable number.

9988879192 is a deficient number, since it is larger than the sum of its proper divisors (8953799528).

9988879192 is a wasteful number, since it uses less digits than its factorization.

9988879192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14011 (or 14007 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 70.

The square root of 9988879192 is about 99944.3804923518. The cubic root of 9988879192 is about 2153.6357586487.

The spelling of 9988879192 in words is "nine billion, nine hundred eighty-eight million, eight hundred seventy-nine thousand, one hundred ninety-two".