855870508 has 12 divisors (see below), whose sum is σ = 1585877832. Its totient is φ = 402762560.

The previous prime is 855870497. The next prime is 855870541. The reversal of 855870508 is 805078558.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6293098 + ... + 6293233.

It is an arithmetic number, because the mean of its divisors is an integer number (132156486).

Almost surely, 2^855870508 is an apocalyptic number.

It is an amenable number.

855870508 is a deficient number, since it is larger than the sum of its proper divisors (730007324).

855870508 is a wasteful number, since it uses less digits than its factorization.

855870508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586352 (or 12586350 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 46.

The square root of 855870508 is about 29255.2646202354. The cubic root of 855870508 is about 949.4439989403.

The spelling of 855870508 in words is "eight hundred fifty-five million, eight hundred seventy thousand, five hundred eight".