856085355260 has 24 divisors (see below), whose sum is σ = 1797982779600. Its totient is φ = 342395373824.

The previous prime is 856085355199. The next prime is 856085355319. The reversal of 856085355260 is 62553580658.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2241614 + ... + 2595573.

It is an arithmetic number, because the mean of its divisors is an integer number (74915949150).

Almost surely, 2^856085355260 is an apocalyptic number.

It is an amenable number.

856085355260 is an abundant number, since it is smaller than the sum of its proper divisors (941897424340).

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

856085355260 is a wasteful number, since it uses less digits than its factorization.

856085355260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846045 (or 4846043 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 53.

The spelling of 856085355260 in words is "eight hundred fifty-six billion, eighty-five million, three hundred fifty-five thousand, two hundred sixty".