875209812 has 12 divisors (see below), whose sum is σ = 2042156256. Its totient is φ = 291736600.

The previous prime is 875209801. The next prime is 875209843. The reversal of 875209812 is 218902578.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36467064 + ... + 36467087.

It is an arithmetic number, because the mean of its divisors is an integer number (170179688).

Almost surely, 2^875209812 is an apocalyptic number.

It is an amenable number.

875209812 is an abundant number, since it is smaller than the sum of its proper divisors (1166946444).

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

875209812 is a wasteful number, since it uses less digits than its factorization.

875209812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72934158 (or 72934156 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 875209812 is about 29583.9451730157. The cubic root of 875209812 is about 956.5420340227.

The spelling of 875209812 in words is "eight hundred seventy-five million, two hundred nine thousand, eight hundred twelve".