875129812 has 12 divisors (see below), whose sum is σ = 1553047776. Its totient is φ = 431401880.

The previous prime is 875129807. The next prime is 875129819. The reversal of 875129812 is 218921578.

It is a happy number.

875129812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875129819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540438 + ... + 1541005.

It is an arithmetic number, because the mean of its divisors is an integer number (129420648).

Almost surely, 2^875129812 is an apocalyptic number.

It is an amenable number.

875129812 is a deficient number, since it is larger than the sum of its proper divisors (677917964).

875129812 is a wasteful number, since it uses less digits than its factorization.

875129812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081518 (or 3081516 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The square root of 875129812 is about 29582.5930574046. The cubic root of 875129812 is about 956.5128883659.

The spelling of 875129812 in words is "eight hundred seventy-five million, one hundred twenty-nine thousand, eight hundred twelve".