872017012 has 12 divisors (see below), whose sum is σ = 1528581600. Its totient is φ = 435279416.

The previous prime is 872016983. The next prime is 872017033. The reversal of 872017012 is 210710278.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 179578 + ... + 184369.

It is an arithmetic number, because the mean of its divisors is an integer number (127381800).

Almost surely, 2^872017012 is an apocalyptic number.

It is an amenable number.

872017012 is a deficient number, since it is larger than the sum of its proper divisors (656564588).

872017012 is a wasteful number, since it uses less digits than its factorization.

872017012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364550 (or 364548 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 872017012 is about 29529.9341685687. The cubic root of 872017012 is about 955.3774490013.

The spelling of 872017012 in words is "eight hundred seventy-two million, seventeen thousand, twelve".