872887655 has 4 divisors (see below), whose sum is σ = 1047465192. Its totient is φ = 698310120.

The previous prime is 872887633. The next prime is 872887679. The reversal of 872887655 is 556788278.

872887655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 872887655 - 2¹⁴ = 872871271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 872887655.

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, 87288761 + ... + 87288770.

It is an arithmetic number, because the mean of its divisors is an integer number (261866298).

Almost surely, 2^872887655 is an apocalyptic number.

872887655 is a deficient number, since it is larger than the sum of its proper divisors (174577537).

872887655 is a wasteful number, since it uses less digits than its factorization.

872887655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174577536.

The product of its digits is 7526400, while the sum is 56.

The square root of 872887655 is about 29544.6721931383. The cubic root of 872887655 is about 955.6953006039.

The spelling of 872887655 in words is "eight hundred seventy-two million, eight hundred eighty-seven thousand, six hundred fifty-five".