899040987936 has 1536 divisors, whose sum is σ = 3462294528000. Its totient is φ = 228138882048.

The previous prime is 899040987931. The next prime is 899040987937. The reversal of 899040987936 is 639789040998.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899040987931) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 13418522175 + ... + 13418522241.

It is an arithmetic number, because the mean of its divisors is an integer number (2254098000).

Almost surely, 2^899040987936 is an apocalyptic number.

899040987936 is a gapful number since it is divisible by the number (86) 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 899040987936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731147264000).

899040987936 is an abundant number, since it is smaller than the sum of its proper divisors (2563253540064).

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

899040987936 is an equidigital number, since it uses as much as digits as its factorization.

899040987936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 899040987936 in words is "eight hundred ninety-nine billion, forty million, nine hundred eighty-seven thousand, nine hundred thirty-six".