872043652 has 6 divisors (see below), whose sum is σ = 1526076398. Its totient is φ = 436021824.

The previous prime is 872043647. The next prime is 872043661. The reversal of 872043652 is 256340278.

872043652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 868716676 + 3326976 = 29474^2 + 1824^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109005453 + ... + 109005460.

Almost surely, 2^872043652 is an apocalyptic number.

It is an amenable number.

872043652 is a deficient number, since it is larger than the sum of its proper divisors (654032746).

872043652 is a wasteful number, since it uses less digits than its factorization.

872043652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218010917 (or 218010915 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 872043652 is about 29530.3852328411. The cubic root of 872043652 is about 955.3871777855.

The spelling of 872043652 in words is "eight hundred seventy-two million, forty-three thousand, six hundred fifty-two".