871707215726471 has 8 divisors (see below), whose sum is σ = 874344329564160. Its totient is φ = 869074052623128.

The previous prime is 871707215726407. The next prime is 871707215726491. The reversal of 871707215726471 is 174627512707178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 871707215726471 - 2⁶ = 871707215726407 is a prime.

It is a super-3 number, since 3×871707215726471³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871707215726398 and 871707215726407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871707215726491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987241631 + ... + 988124208.

It is an arithmetic number, because the mean of its divisors is an integer number (109293041195520).

Almost surely, 2^{871707215726471} is an apocalyptic number.

871707215726471 is a deficient number, since it is larger than the sum of its proper divisors (2637113837689).

871707215726471 is a wasteful number, since it uses less digits than its factorization.

871707215726471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975367173.

The product of its (nonzero) digits is 64538880, while the sum is 65.

The spelling of 871707215726471 in words is "eight hundred seventy-one trillion, seven hundred seven billion, two hundred fifteen million, seven hundred twenty-six thousand, four hundred seventy-one".