8722865118171 has 16 divisors (see below), whose sum is σ = 11719495517184. Its totient is φ = 5770903593504.

The previous prime is 8722865118167. The next prime is 8722865118199. The reversal of 8722865118171 is 1718115682278.

It is not a de Polignac number, because 8722865118171 - 2² = 8722865118167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8722865118571) 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, 20353641 + ... + 20777786.

It is an arithmetic number, because the mean of its divisors is an integer number (732468469824).

Almost surely, 2^{8722865118171} is an apocalyptic number.

8722865118171 is a deficient number, since it is larger than the sum of its proper divisors (2996630399013).

8722865118171 is a wasteful number, since it uses less digits than its factorization.

8722865118171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41131970.

The product of its digits is 3010560, while the sum is 57.

The spelling of 8722865118171 in words is "eight trillion, seven hundred twenty-two billion, eight hundred sixty-five million, one hundred eighteen thousand, one hundred seventy-one".