856085360 has 80 divisors (see below), whose sum is σ = 2148341664. Its totient is φ = 315380736.

The previous prime is 856085341. The next prime is 856085383. The reversal of 856085360 is 63580658.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761759 + ... + 762881.

Almost surely, 2^856085360 is an apocalyptic number.

856085360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 856085360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074170832).

856085360 is an abundant number, since it is smaller than the sum of its proper divisors (1292256304).

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

856085360 is a wasteful number, since it uses less digits than its factorization.

856085360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 856085360 is about 29258.9364126586. The cubic root of 856085360 is about 949.5234396474.

The spelling of 856085360 in words is "eight hundred fifty-six million, eighty-five thousand, three hundred sixty".