86600231 has 2 divisors, whose sum is σ = 86600232. Its totient is φ = 86600230.

The previous prime is 86600201. The next prime is 86600249. The reversal of 86600231 is 13200668.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86600231 is a prime.

It is a super-2 number, since 2×86600231² = 14999200018506722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86600231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86600201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43300115 + 43300116.

It is an arithmetic number, because the mean of its divisors is an integer number (43300116).

Almost surely, 2^86600231 is an apocalyptic number.

86600231 is a deficient number, since it is larger than the sum of its proper divisors (1).

86600231 is an equidigital number, since it uses as much as digits as its factorization.

86600231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 86600231 is about 9305.9245107619. The cubic root of 86600231 is about 442.4250243767.

Adding to 86600231 its reverse (13200668), we get a palindrome (99800899).

The spelling of 86600231 in words is "eighty-six million, six hundred thousand, two hundred thirty-one".