872861116 has 6 divisors (see below), whose sum is σ = 1527506960. Its totient is φ = 436430556.

The previous prime is 872861069. The next prime is 872861123. The reversal of 872861116 is 611168278.

872861116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109107636 + ... + 109107643.

Almost surely, 2^872861116 is an apocalyptic number.

It is an amenable number.

872861116 is a deficient number, since it is larger than the sum of its proper divisors (654645844).

872861116 is a wasteful number, since it uses less digits than its factorization.

872861116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218215283 (or 218215281 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 872861116 is about 29544.2230562931. The cubic root of 872861116 is about 955.6856149533.

The spelling of 872861116 in words is "eight hundred seventy-two million, eight hundred sixty-one thousand, one hundred sixteen".