868560875 has 64 divisors (see below), whose sum is σ = 1380637440. Its totient is φ = 530611200.

The previous prime is 868560863. The next prime is 868560877. The reversal of 868560875 is 578065868.

It is not a de Polignac number, because 868560875 - 2⁸ = 868560619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868560877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328559 + ... + 331191.

It is an arithmetic number, because the mean of its divisors is an integer number (21572460).

Almost surely, 2^868560875 is an apocalyptic number.

868560875 is a deficient number, since it is larger than the sum of its proper divisors (512076565).

868560875 is a wasteful number, since it uses less digits than its factorization.

868560875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The square root of 868560875 is about 29471.3568571249. The cubic root of 868560875 is about 954.1136023917.

The spelling of 868560875 in words is "eight hundred sixty-eight million, five hundred sixty thousand, eight hundred seventy-five".