872963889 has 16 divisors (see below), whose sum is σ = 1408480128. Its totient is φ = 469492992.

The previous prime is 872963879. The next prime is 872963929. The reversal of 872963889 is 988369278.

It is not a de Polignac number, because 872963889 - 2⁸ = 872963633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (872963849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222282 + ... + 1222995.

It is an arithmetic number, because the mean of its divisors is an integer number (88030008).

Almost surely, 2^872963889 is an apocalyptic number.

It is an amenable number.

872963889 is a deficient number, since it is larger than the sum of its proper divisors (535516239).

872963889 is a wasteful number, since it uses less digits than its factorization.

872963889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445304.

The product of its digits is 10450944, while the sum is 60.

The square root of 872963889 is about 29545.9623129794. The cubic root of 872963889 is about 955.7231218072.

The spelling of 872963889 in words is "eight hundred seventy-two million, nine hundred sixty-three thousand, eight hundred eighty-nine".