855836625 has 64 divisors (see below), whose sum is σ = 1648558080. Its totient is φ = 386193600.

The previous prime is 855836609. The next prime is 855836659. The reversal of 855836625 is 526638558.

It is not a de Polignac number, because 855836625 - 2⁴ = 855836609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205312 + ... + 209438.

It is an arithmetic number, because the mean of its divisors is an integer number (25758720).

Almost surely, 2^855836625 is an apocalyptic number.

It is an amenable number.

855836625 is a deficient number, since it is larger than the sum of its proper divisors (792721455).

855836625 is a wasteful number, since it uses less digits than its factorization.

855836625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231 (or 4221 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The square root of 855836625 is about 29254.6855221518. The cubic root of 855836625 is about 949.4314696168.

The spelling of 855836625 in words is "eight hundred fifty-five million, eight hundred thirty-six thousand, six hundred twenty-five".