899383597680 has 80 divisors (see below), whose sum is σ = 2821680650880. Its totient is φ = 236946034944.

The previous prime is 899383597661. The next prime is 899383597747. The reversal of 899383597680 is 86795383998.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×899383597680³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22554970 + ... + 22594809.

It is an arithmetic number, because the mean of its divisors is an integer number (35271008136).

Almost surely, 2^899383597680 is an apocalyptic number.

899383597680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899383597680 is an abundant number, since it is smaller than the sum of its proper divisors (1922297053200).

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

899383597680 is a wasteful number, since it uses less digits than its factorization.

899383597680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45149878 (or 45149872 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 75.

The spelling of 899383597680 in words is "eight hundred ninety-nine billion, three hundred eighty-three million, five hundred ninety-seven thousand, six hundred eighty".