899913888 has 240 divisors, whose sum is σ = 2766234240. Its totient is φ = 286792704.

The previous prime is 899913869. The next prime is 899913913. The reversal of 899913888 is 888319998.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10111348 + ... + 10111436.

It is an arithmetic number, because the mean of its divisors is an integer number (11525976).

Almost surely, 2^899913888 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 899913888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383117120).

899913888 is an abundant number, since it is smaller than the sum of its proper divisors (1866320352).

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

899913888 is a wasteful number, since it uses less digits than its factorization.

899913888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 224 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 63.

The square root of 899913888 is about 29998.5647656684. The cubic root of 899913888 is about 965.4585909487.

The spelling of 899913888 in words is "eight hundred ninety-nine million, nine hundred thirteen thousand, eight hundred eighty-eight".