871625538716 has 24 divisors (see below), whose sum is σ = 1557908976960. Its totient is φ = 426509999552.

The previous prime is 871625538689. The next prime is 871625538737. The reversal of 871625538716 is 617835526178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628350 + ... + 2941338.

It is an arithmetic number, because the mean of its divisors is an integer number (64912874040).

Almost surely, 2^871625538716 is an apocalyptic number.

It is an amenable number.

871625538716 is a deficient number, since it is larger than the sum of its proper divisors (686283438244).

871625538716 is a wasteful number, since it uses less digits than its factorization.

871625538716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327853 (or 327851 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 59.

The spelling of 871625538716 in words is "eight hundred seventy-one billion, six hundred twenty-five million, five hundred thirty-eight thousand, seven hundred sixteen".