9888255828 has 72 divisors (see below), whose sum is σ = 27282187296. Its totient is φ = 2994840000.

The previous prime is 9888255803. The next prime is 9888255847. The reversal of 9888255828 is 8285528889.

9888255828 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 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, 885850 + ... + 896942.

It is an arithmetic number, because the mean of its divisors is an integer number (378919268).

Almost surely, 2^9888255828 is an apocalyptic number.

It is an amenable number.

9888255828 is an abundant number, since it is smaller than the sum of its proper divisors (17393931468).

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

9888255828 is a wasteful number, since it uses less digits than its factorization.

9888255828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13365 (or 13360 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 63.

The square root of 9888255828 is about 99439.7095128500. The cubic root of 9888255828 is about 2146.3797613790.

The spelling of 9888255828 in words is "nine billion, eight hundred eighty-eight million, two hundred fifty-five thousand, eight hundred twenty-eight".