855007875 has 24 divisors (see below), whose sum is σ = 1541296224. Its totient is φ = 456003600.

The previous prime is 855007873. The next prime is 855007883. The reversal of 855007875 is 578700558.

It is a happy number.

855007875 is a `hidden beast` number, since 8 + 5 + 500 + 78 + 75 = 666.

855007875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855007875 - 2¹ = 855007873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 855007875.

It is not an unprimeable number, because it can be changed into a prime (855007873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378879 + ... + 381128.

It is an arithmetic number, because the mean of its divisors is an integer number (64220676).

Almost surely, 2^855007875 is an apocalyptic number.

855007875 is a deficient number, since it is larger than the sum of its proper divisors (686288349).

855007875 is a wasteful number, since it uses less digits than its factorization.

855007875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760028 (or 760015 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The square root of 855007875 is about 29240.5176937755. The cubic root of 855007875 is about 949.1249097650.

The spelling of 855007875 in words is "eight hundred fifty-five million, seven thousand, eight hundred seventy-five".