86171318233 has 48 divisors (see below), whose sum is σ = 120087539712. Its totient is φ = 59981688000.

The previous prime is 86171318201. The next prime is 86171318249. The reversal of 86171318233 is 33281317168.

It is not a de Polignac number, because 86171318233 - 2⁵ = 86171318201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86171318233.

It is not an unprimeable number, because it can be changed into a prime (86171318833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 296598 + ... + 510208.

It is an arithmetic number, because the mean of its divisors is an integer number (2501823744).

Almost surely, 2^86171318233 is an apocalyptic number.

It is an amenable number.

86171318233 is a deficient number, since it is larger than the sum of its proper divisors (33916221479).

86171318233 is a wasteful number, since it uses less digits than its factorization.

86171318233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213686 (or 213673 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

It can be divided in two parts, 86171 and 318233, that added together give a palindrome (404404).

The spelling of 86171318233 in words is "eighty-six billion, one hundred seventy-one million, three hundred eighteen thousand, two hundred thirty-three".