872806672 has 10 divisors (see below), whose sum is σ = 1691062958. Its totient is φ = 436403328.

The previous prime is 872806663. The next prime is 872806699. The reversal of 872806672 is 276608278.

It can be written as a sum of positive squares in only one way, i.e., 440832016 + 431974656 = 20996^2 + 20784^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27275193 + ... + 27275224.

Almost surely, 2^872806672 is an apocalyptic number.

It is an amenable number.

872806672 is a deficient number, since it is larger than the sum of its proper divisors (818256286).

872806672 is a wasteful number, since it uses less digits than its factorization.

872806672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54550425 (or 54550419 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 872806672 is about 29543.3016435198. The cubic root of 872806672 is about 955.6657445033.

The spelling of 872806672 in words is "eight hundred seventy-two million, eight hundred six thousand, six hundred seventy-two".