856325610 has 48 divisors (see below), whose sum is σ = 2544512256. Its totient is φ = 195731424.

The previous prime is 856325563. The next prime is 856325621. The reversal of 856325610 is 16523658.

856325610 is a `hidden beast` number, since 8 + 5 + 6 + 32 + 5 + 610 = 666.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678994 + ... + 680253.

It is an arithmetic number, because the mean of its divisors is an integer number (53010672).

Almost surely, 2^856325610 is an apocalyptic number.

856325610 is an abundant number, since it is smaller than the sum of its proper divisors (1688186646).

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

856325610 is a wasteful number, since it uses less digits than its factorization.

856325610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359267 (or 1359264 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 856325610 is about 29263.0417079291. The cubic root of 856325610 is about 949.6122554285.

The spelling of 856325610 in words is "eight hundred fifty-six million, three hundred twenty-five thousand, six hundred ten".