855247795182 has 128 divisors (see below), whose sum is σ = 2100658176000. Its totient is φ = 255753145440.

The previous prime is 855247795121. The next prime is 855247795183. The reversal of 855247795182 is 281597742558.

855247795182 is a `hidden beast` number, since 8 + 5 + 5 + 2 + 47 + 79 + 518 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855247795183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127588443 + ... + 127595145.

It is an arithmetic number, because the mean of its divisors is an integer number (16411392000).

Almost surely, 2^855247795182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855247795182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050329088000).

855247795182 is an abundant number, since it is smaller than the sum of its proper divisors (1245410380818).

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

855247795182 is a wasteful number, since it uses less digits than its factorization.

855247795182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523 (or 9517 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 63.

The spelling of 855247795182 in words is "eight hundred fifty-five billion, two hundred forty-seven million, seven hundred ninety-five thousand, one hundred eighty-two".