871133108447 has 6 divisors (see below), whose sum is σ = 1013358922128. Its totient is φ = 746685521484.

The previous prime is 871133108423. The next prime is 871133108453. The reversal of 871133108447 is 744801331178.

It is a de Polignac number, because none of the positive numbers 2^k-871133108447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871133108477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8889113303 + ... + 8889113400.

It is an arithmetic number, because the mean of its divisors is an integer number (168893153688).

Almost surely, 2^871133108447 is an apocalyptic number.

871133108447 is a deficient number, since it is larger than the sum of its proper divisors (142225813681).

871133108447 is a wasteful number, since it uses less digits than its factorization.

871133108447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778226717 (or 17778226710 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 871133108447 in words is "eight hundred seventy-one billion, one hundred thirty-three million, one hundred eight thousand, four hundred forty-seven".