871112580768856 has 8 divisors (see below), whose sum is σ = 1633336088941620. Its totient is φ = 435556290384424.

The previous prime is 871112580768827. The next prime is 871112580768883. The reversal of 871112580768856 is 658867085211178.

871112580768856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

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, 54444536298046 + ... + 54444536298061.

Almost surely, 2^{871112580768856} is an apocalyptic number.

It is an amenable number.

871112580768856 is a deficient number, since it is larger than the sum of its proper divisors (762223508172764).

871112580768856 is a wasteful number, since it uses less digits than its factorization.

871112580768856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108889072596113 (or 108889072596109 counting only the distinct ones).

The product of its (nonzero) digits is 361267200, while the sum is 73.

The spelling of 871112580768856 in words is "eight hundred seventy-one trillion, one hundred twelve billion, five hundred eighty million, seven hundred sixty-eight thousand, eight hundred fifty-six".