899539680 has 192 divisors, whose sum is σ = 3073170240. Its totient is φ = 221165568.

The previous prime is 899539673. The next prime is 899539681. The reversal of 899539680 is 86935998.

It is a self number, because there is not a number n which added to its sum of digits gives 899539680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899539681) 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, 1054134 + ... + 1054986.

It is an arithmetic number, because the mean of its divisors is an integer number (16006095).

Almost surely, 2^899539680 is an apocalyptic number.

899539680 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 899539680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536585120).

899539680 is an abundant number, since it is smaller than the sum of its proper divisors (2173630560).

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

899539680 is a wasteful number, since it uses less digits than its factorization.

899539680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The square root of 899539680 is about 29992.3270187560. The cubic root of 899539680 is about 965.3247513219.

The spelling of 899539680 in words is "eight hundred ninety-nine million, five hundred thirty-nine thousand, six hundred eighty".