871771084704 has 144 divisors (see below), whose sum is σ = 2768680710432. Its totient is φ = 268237225728.

The previous prime is 871771084649. The next prime is 871771084721. The reversal of 871771084704 is 407480177178.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4210854 + ... + 4413029.

It is an arithmetic number, because the mean of its divisors is an integer number (19226949378).

Almost surely, 2^871771084704 is an apocalyptic number.

It is an amenable number.

871771084704 is an abundant number, since it is smaller than the sum of its proper divisors (1896909625728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871771084704 is a wasteful number, since it uses less digits than its factorization.

871771084704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623921 (or 8623901 counting only the distinct ones).

The product of its (nonzero) digits is 2458624, while the sum is 54.

The spelling of 871771084704 in words is "eight hundred seventy-one billion, seven hundred seventy-one million, eighty-four thousand, seven hundred four".