855896481792 has 896 divisors, whose sum is σ = 2894018941440. Its totient is φ = 250822656000.

The previous prime is 855896481779. The next prime is 855896481851. The reversal of 855896481792 is 297184698558.

855896481792 is a `hidden beast` number, since 8 + 5 + 58 + 9 + 6 + 481 + 7 + 92 = 666.

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

Its product of digits (348364800) is a multiple of the sum of its prime divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 855896481792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8474222542 + ... + 8474222642.

Almost surely, 2^855896481792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855896481792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447009470720).

855896481792 is an abundant number, since it is smaller than the sum of its proper divisors (2038122459648).

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

855896481792 is an equidigital number, since it uses as much as digits as its factorization.

855896481792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 160 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 72.

The spelling of 855896481792 in words is "eight hundred fifty-five billion, eight hundred ninety-six million, four hundred eighty-one thousand, seven hundred ninety-two".