871430015728 has 80 divisors (see below), whose sum is σ = 1719560003616. Its totient is φ = 427748106240.

The previous prime is 871430015713. The next prime is 871430015759. The reversal of 871430015728 is 827510034178.

871430015728 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 in 15 ways as a sum of consecutive naturals, for example, 140075658 + ... + 140081878.

Almost surely, 2^871430015728 is an apocalyptic number.

It is an amenable number.

871430015728 is a deficient number, since it is larger than the sum of its proper divisors (848129987888).

871430015728 is a wasteful number, since it uses less digits than its factorization.

871430015728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962 (or 6956 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 871430015728 in words is "eight hundred seventy-one billion, four hundred thirty million, fifteen thousand, seven hundred twenty-eight".