899349207680 has 384 divisors, whose sum is σ = 2737953066240. Its totient is φ = 276464517120.

The previous prime is 899349207677. The next prime is 899349207683. The reversal of 899349207680 is 86702943998.

It is an interprime number because it is at equal distance from previous prime (899349207677) and next prime (899349207683).

It is not an unprimeable number, because it can be changed into a prime (899349207683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39560477 + ... + 39583203.

It is an arithmetic number, because the mean of its divisors is an integer number (7130086110).

Almost surely, 2^899349207680 is an apocalyptic number.

899349207680 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 899349207680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368976533120).

899349207680 is an abundant number, since it is smaller than the sum of its proper divisors (1838603858560).

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

899349207680 is a wasteful number, since it uses less digits than its factorization.

899349207680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22848 (or 22825 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 899349207680 in words is "eight hundred ninety-nine billion, three hundred forty-nine million, two hundred seven thousand, six hundred eighty".