855106107786 has 48 divisors (see below), whose sum is σ = 2125456654464. Its totient is φ = 243387063072.

The previous prime is 855106107781. The next prime is 855106107847. The reversal of 855106107786 is 687701601558.

855106107786 is a `hidden beast` number, since 8 + 5 + 5 + 10 + 610 + 7 + 7 + 8 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (855106107781) 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 23 ways as a sum of consecutive naturals, for example, 12869061 + ... + 12935336.

It is an arithmetic number, because the mean of its divisors is an integer number (44280346968).

Almost surely, 2^855106107786 is an apocalyptic number.

855106107786 is an abundant number, since it is smaller than the sum of its proper divisors (1270350546678).

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

855106107786 is a wasteful number, since it uses less digits than its factorization.

855106107786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25804675 (or 25804672 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 855106107786 in words is "eight hundred fifty-five billion, one hundred six million, one hundred seven thousand, seven hundred eighty-six".