855000084816 has 320 divisors, whose sum is σ = 2655521107200. Its totient is φ = 262546292736.

The previous prime is 855000084811. The next prime is 855000084823. The reversal of 855000084816 is 618480000558.

855000084816 is a `hidden beast` number, since 8 + 550 + 0 + 0 + 0 + 84 + 8 + 16 = 666.

855000084816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855000084811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49149016 + ... + 49166408.

It is an arithmetic number, because the mean of its divisors is an integer number (8298503460).

Almost surely, 2^855000084816 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 855000084816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327760553600).

855000084816 is an abundant number, since it is smaller than the sum of its proper divisors (1800521022384).

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

855000084816 is a wasteful number, since it uses less digits than its factorization.

855000084816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17595 (or 17583 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 855000084816 in words is "eight hundred fifty-five billion, eighty-four thousand, eight hundred sixteen".