86884544612171 has 4 divisors (see below), whose sum is σ = 87860775450600. Its totient is φ = 85908313773744.

The previous prime is 86884544612167. The next prime is 86884544612183. The reversal of 86884544612171 is 17121644548868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86884544612171 - 2² = 86884544612167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86884544612098 and 86884544612107.

It is not an unprimeable number, because it can be changed into a prime (86884544612471) 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, 488115419081 + ... + 488115419258.

It is an arithmetic number, because the mean of its divisors is an integer number (21965193862650).

Almost surely, 2^{86884544612171} is an apocalyptic number.

86884544612171 is a deficient number, since it is larger than the sum of its proper divisors (976230838429).

86884544612171 is an equidigital number, since it uses as much as digits as its factorization.

86884544612171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976230838428.

The product of its digits is 82575360, while the sum is 65.

The spelling of 86884544612171 in words is "eighty-six trillion, eight hundred eighty-four billion, five hundred forty-four million, six hundred twelve thousand, one hundred seventy-one".