899717120 has 96 divisors (see below), whose sum is σ = 2212479360. Its totient is φ = 350945280.

The previous prime is 899717101. The next prime is 899717177. The reversal of 899717120 is 21717998.

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, 418769 + ... + 420911.

It is an arithmetic number, because the mean of its divisors is an integer number (23046660).

Almost surely, 2^899717120 is an apocalyptic number.

899717120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899717120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106239680).

899717120 is an abundant number, since it is smaller than the sum of its proper divisors (1312762240).

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

899717120 is a wasteful number, since it uses less digits than its factorization.

899717120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 899717120 is about 29995.2849628071. The cubic root of 899717120 is about 965.3882193254.

The spelling of 899717120 in words is "eight hundred ninety-nine million, seven hundred seventeen thousand, one hundred twenty".