855832294818 has 162 divisors, whose sum is σ = 1966205173491. Its totient is φ = 269029579392.

The previous prime is 855832294799. The next prime is 855832294819. The reversal of 855832294818 is 818492238558.

855832294818 is a `hidden beast` number, since 8 + 5 + 583 + 2 + 2 + 9 + 48 + 1 + 8 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 506412987129 + 349419307689 = 711627^2 + 591117^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=654153.

It is not an unprimeable number, because it can be changed into a prime (855832294819) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 8309051355 + ... + 8309051457.

Almost surely, 2^855832294818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855832294818

855832294818 is an abundant number, since it is smaller than the sum of its proper divisors (1110372878673).

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

855832294818 is a wasteful number, since it uses less digits than its factorization.

855832294818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 210 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 63.

The spelling of 855832294818 in words is "eight hundred fifty-five billion, eight hundred thirty-two million, two hundred ninety-four thousand, eight hundred eighteen".