871086118257321 has 8 divisors (see below), whose sum is σ = 1168402937064384. Its totient is φ = 577246689144240.

The previous prime is 871086118257317. The next prime is 871086118257331. The reversal of 871086118257321 is 123752811680178.

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

It is not a de Polignac number, because 871086118257321 - 2² = 871086118257317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871086118257331) 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, 869347422910 + ... + 869347423911.

It is an arithmetic number, because the mean of its divisors is an integer number (146050367133048).

Almost surely, 2^{871086118257321} is an apocalyptic number.

It is an amenable number.

871086118257321 is a deficient number, since it is larger than the sum of its proper divisors (297316818807063).

871086118257321 is a wasteful number, since it uses less digits than its factorization.

871086118257321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738694846991.

The product of its (nonzero) digits is 9031680, while the sum is 60.

The spelling of 871086118257321 in words is "eight hundred seventy-one trillion, eighty-six billion, one hundred eighteen million, two hundred fifty-seven thousand, three hundred twenty-one".