899415068560 has 20 divisors (see below), whose sum is σ = 2091140034588. Its totient is φ = 359766027392.

The previous prime is 899415068521. The next prime is 899415068569. The reversal of 899415068560 is 65860514998.

It can be written as a sum of positive squares in 2 ways, for example, as 637979197696 + 261435870864 = 798736^2 + 511308^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (899415068569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621344099 + ... + 5621344258.

Almost surely, 2^899415068560 is an apocalyptic number.

899415068560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899415068560 is an abundant number, since it is smaller than the sum of its proper divisors (1191724966028).

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

899415068560 is a wasteful number, since it uses less digits than its factorization.

899415068560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11242688370 (or 11242688364 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 61.

The spelling of 899415068560 in words is "eight hundred ninety-nine billion, four hundred fifteen million, sixty-eight thousand, five hundred sixty".