899125920 has 960 divisors, whose sum is σ = 4267904256. Its totient is φ = 172523520.

The previous prime is 899125901. The next prime is 899125949. The reversal of 899125920 is 29521998.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 16964614 + ... + 16964666.

Almost surely, 2^899125920 is an apocalyptic number.

899125920 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 899125920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133952128).

899125920 is an abundant number, since it is smaller than the sum of its proper divisors (3368778336).

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

899125920 is a wasteful number, since it uses less digits than its factorization.

899125920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 899125920 is about 29985.4284611709. The cubic root of 899125920 is about 965.1767222678.

The spelling of 899125920 in words is "eight hundred ninety-nine million, one hundred twenty-five thousand, nine hundred twenty".