875863872 has 84 divisors (see below), whose sum is σ = 2703644580. Its totient is φ = 269494272.

The previous prime is 875863871. The next prime is 875863913. The reversal of 875863872 is 278368578.

It can be written as a sum of positive squares in 2 ways, for example, as 515471616 + 360392256 = 22704^2 + 18984^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875863871) 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 11 ways as a sum of consecutive naturals, for example, 50997 + ... + 65972.

It is an arithmetic number, because the mean of its divisors is an integer number (32186245).

Almost surely, 2^875863872 is an apocalyptic number.

It is an amenable number.

875863872 is an abundant number, since it is smaller than the sum of its proper divisors (1827780708).

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

875863872 is a wasteful number, since it uses less digits than its factorization.

875863872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117000 (or 116987 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 875863872 is about 29594.9974151038. The cubic root of 875863872 is about 956.7802550334.

The spelling of 875863872 in words is "eight hundred seventy-five million, eight hundred sixty-three thousand, eight hundred seventy-two".