899471381760 has 1728 divisors, whose sum is σ = 4114110873600. Its totient is φ = 183172202496.

The previous prime is 899471381759. The next prime is 899471381797. The reversal of 899471381760 is 67183174998.

899471381760 is a `hidden beast` number, since 8 + 99 + 471 + 3 + 8 + 1 + 76 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 703260801 + ... + 703262079.

It is an arithmetic number, because the mean of its divisors is an integer number (2380851200).

Almost surely, 2^899471381760 is an apocalyptic number.

899471381760 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 899471381760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057055436800).

899471381760 is an abundant number, since it is smaller than the sum of its proper divisors (3214639491840).

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

899471381760 is a wasteful number, since it uses less digits than its factorization.

899471381760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 899471381760 in words is "eight hundred ninety-nine billion, four hundred seventy-one million, three hundred eighty-one thousand, seven hundred sixty".