871712553583281 has 4 divisors (see below), whose sum is σ = 1162283404777712. Its totient is φ = 581141702388852.

The previous prime is 871712553583243. The next prime is 871712553583349. The reversal of 871712553583281 is 182385355217178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 871712553583281 - 2³⁷ = 871575114629809 is a prime.

It is a super-2 number, since 2×871712553583281² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871712553583211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145285425597211 + ... + 145285425597216.

It is an arithmetic number, because the mean of its divisors is an integer number (290570851194428).

Almost surely, 2^{871712553583281} is an apocalyptic number.

It is an amenable number.

871712553583281 is a deficient number, since it is larger than the sum of its proper divisors (290570851194431).

871712553583281 is a wasteful number, since it uses less digits than its factorization.

871712553583281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290570851194430.

The product of its digits is 112896000, while the sum is 66.

The spelling of 871712553583281 in words is "eight hundred seventy-one trillion, seven hundred twelve billion, five hundred fifty-three million, five hundred eighty-three thousand, two hundred eighty-one".