871064305468885 has 16 divisors (see below), whose sum is σ = 1140406950418560. Its totient is φ = 633443209237440.

The previous prime is 871064305468883. The next prime is 871064305468891. The reversal of 871064305468885 is 588864503460178.

It is a happy number.

It is not a de Polignac number, because 871064305468885 - 2¹ = 871064305468883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871064305468883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725692770 + ... + 726892099.

It is an arithmetic number, because the mean of its divisors is an integer number (71275434401160).

Almost surely, 2^{871064305468885} is an apocalyptic number.

It is an amenable number.

871064305468885 is a deficient number, since it is larger than the sum of its proper divisors (269342644949675).

871064305468885 is a wasteful number, since it uses less digits than its factorization.

871064305468885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452595788.

The product of its (nonzero) digits is 1238630400, while the sum is 73.

The spelling of 871064305468885 in words is "eight hundred seventy-one trillion, sixty-four billion, three hundred five million, four hundred sixty-eight thousand, eight hundred eighty-five".