86336231 has 2 divisors, whose sum is σ = 86336232. Its totient is φ = 86336230.

The previous prime is 86336203. The next prime is 86336233. The reversal of 86336231 is 13263368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86336231 - 2¹⁴ = 86319847 is a prime.

It is a super-2 number, since 2×86336231² = 14907889566570722, which contains 22 as substring.

Together with 86336233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86336233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43168115 + 43168116.

It is an arithmetic number, because the mean of its divisors is an integer number (43168116).

Almost surely, 2^86336231 is an apocalyptic number.

86336231 is a deficient number, since it is larger than the sum of its proper divisors (1).

86336231 is an equidigital number, since it uses as much as digits as its factorization.

86336231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 86336231 is about 9291.7291716881. The cubic root of 86336231 is about 441.9749905657.

Adding to 86336231 its reverse (13263368), we get a palindrome (99599599).

The spelling of 86336231 in words is "eighty-six million, three hundred thirty-six thousand, two hundred thirty-one".