86350231221 has 16 divisors (see below), whose sum is σ = 120183819648. Its totient is φ = 55092744000.

The previous prime is 86350231183. The next prime is 86350231223. The reversal of 86350231221 is 12213205368.

It is not a de Polignac number, because 86350231221 - 2⁶ = 86350231157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86350231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6369705 + ... + 6383246.

It is an arithmetic number, because the mean of its divisors is an integer number (7511488728).

Almost surely, 2^86350231221 is an apocalyptic number.

It is an amenable number.

86350231221 is a deficient number, since it is larger than the sum of its proper divisors (33833588427).

86350231221 is a wasteful number, since it uses less digits than its factorization.

86350231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12753052.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 86350231221 its reverse (12213205368), we get a palindrome (98563436589).

The spelling of 86350231221 in words is "eighty-six billion, three hundred fifty million, two hundred thirty-one thousand, two hundred twenty-one".