871351502533864 has 64 divisors (see below), whose sum is σ = 1793002448894400. Its totient is φ = 393694557043200.

The previous prime is 871351502533859. The next prime is 871351502533873. The reversal of 871351502533864 is 468335205153178.

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, 27038244 + ... + 49737004.

It is an arithmetic number, because the mean of its divisors is an integer number (28015663263975).

Almost surely, 2^{871351502533864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871351502533864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896501224447200).

871351502533864 is an abundant number, since it is smaller than the sum of its proper divisors (921650946360536).

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

871351502533864 is a wasteful number, since it uses less digits than its factorization.

871351502533864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701394 (or 22701390 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 61.

The spelling of 871351502533864 in words is "eight hundred seventy-one trillion, three hundred fifty-one billion, five hundred two million, five hundred thirty-three thousand, eight hundred sixty-four".