872051368 has 8 divisors (see below), whose sum is σ = 1635096330. Its totient is φ = 436025680.

The previous prime is 872051353. The next prime is 872051377. The reversal of 872051368 is 863150278.

It can be written as a sum of positive squares in only one way, i.e., 498093124 + 373958244 = 22318^2 + 19338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 872051368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54503203 + ... + 54503218.

Almost surely, 2^872051368 is an apocalyptic number.

It is an amenable number.

872051368 is a deficient number, since it is larger than the sum of its proper divisors (763044962).

872051368 is a wasteful number, since it uses less digits than its factorization.

872051368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109006427 (or 109006423 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 872051368 is about 29530.5158776477. The cubic root of 872051368 is about 955.3899955900.

The spelling of 872051368 in words is "eight hundred seventy-two million, fifty-one thousand, three hundred sixty-eight".