871216461944 has 8 divisors (see below), whose sum is σ = 1633530866160. Its totient is φ = 435608230968.

The previous prime is 871216461919. The next prime is 871216461967. The reversal of 871216461944 is 449164612178.

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

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, 54451028864 + ... + 54451028879.

It is an arithmetic number, because the mean of its divisors is an integer number (204191358270).

Almost surely, 2^871216461944 is an apocalyptic number.

It is an amenable number.

871216461944 is a deficient number, since it is larger than the sum of its proper divisors (762314404216).

871216461944 is a wasteful number, since it uses less digits than its factorization.

871216461944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108902057749 (or 108902057745 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 871216461944 in words is "eight hundred seventy-one billion, two hundred sixteen million, four hundred sixty-one thousand, nine hundred forty-four".