855907250 has 64 divisors (see below), whose sum is σ = 1840026240. Its totient is φ = 294840000.

The previous prime is 855907249. The next prime is 855907253. The reversal of 855907250 is 52709558.

It is a junction number, because it is equal to n+sod(n) for n = 855907198 and 855907207.

It is not an unprimeable number, because it can be changed into a prime (855907253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 44060 + ... + 60440.

It is an arithmetic number, because the mean of its divisors is an integer number (28750410).

Almost surely, 2^855907250 is an apocalyptic number.

855907250 is an abundant number, since it is smaller than the sum of its proper divisors (984118990).

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

855907250 is a wasteful number, since it uses less digits than its factorization.

855907250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16428 (or 16418 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 855907250 is about 29255.8925688484. The cubic root of 855907250 is about 949.4575850969.

The spelling of 855907250 in words is "eight hundred fifty-five million, nine hundred seven thousand, two hundred fifty".