899773056 has 256 divisors, whose sum is σ = 3269548800. Its totient is φ = 237219840.

The previous prime is 899773033. The next prime is 899773057. The reversal of 899773056 is 650377998.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 899772993 and 899773011.

It is not an unprimeable number, because it can be changed into a prime (899773057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313066 + ... + 315926.

It is an arithmetic number, because the mean of its divisors is an integer number (12771675).

Almost surely, 2^899773056 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 899773056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634774400).

899773056 is an abundant number, since it is smaller than the sum of its proper divisors (2369775744).

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

899773056 is a wasteful number, since it uses less digits than its factorization.

899773056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 899773056 is about 29996.2173615274. The cubic root of 899773056 is about 965.4082251825.

The spelling of 899773056 in words is "eight hundred ninety-nine million, seven hundred seventy-three thousand, fifty-six".