871616393199 has 32 divisors (see below), whose sum is σ = 1300196448000. Its totient is φ = 577068274080.

The previous prime is 871616393189. The next prime is 871616393201. The reversal of 871616393199 is 991393616178.

871616393199 is a `hidden beast` number, since 8 + 7 + 1 + 616 + 3 + 9 + 3 + 1 + 9 + 9 = 666.

It is not a de Polignac number, because 871616393199 - 2²⁴ = 871599615983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871616393189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24969412 + ... + 25004294.

It is an arithmetic number, because the mean of its divisors is an integer number (40631139000).

Almost surely, 2^871616393199 is an apocalyptic number.

871616393199 is a deficient number, since it is larger than the sum of its proper divisors (428580054801).

871616393199 is a wasteful number, since it uses less digits than its factorization.

871616393199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41252 (or 41246 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The spelling of 871616393199 in words is "eight hundred seventy-one billion, six hundred sixteen million, three hundred ninety-three thousand, one hundred ninety-nine".