9892442988 has 72 divisors (see below), whose sum is σ = 25795656432. Its totient is φ = 3194128512.

The previous prime is 9892442971. The next prime is 9892442999. The reversal of 9892442988 is 8892442989.

9892442988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 286006 + ... + 318722.

It is an arithmetic number, because the mean of its divisors is an integer number (358273006).

Almost surely, 2^9892442988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9892442988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12897828216).

9892442988 is an abundant number, since it is smaller than the sum of its proper divisors (15903213444).

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

9892442988 is a wasteful number, since it uses less digits than its factorization.

9892442988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32991 (or 32986 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 9892442988 is about 99460.7610467565. The cubic root of 9892442988 is about 2146.6826785431.

Subtracting from 9892442988 its reverse (8892442989), we obtain a palindrome (999999999).

The spelling of 9892442988 in words is "nine billion, eight hundred ninety-two million, four hundred forty-two thousand, nine hundred eighty-eight".