86666267 has 2 divisors, whose sum is σ = 86666268. Its totient is φ = 86666266.

The previous prime is 86666263. The next prime is 86666269. The reversal of 86666267 is 76266668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86666267 - 2² = 86666263 is a prime.

It is a super-2 number, since 2×86666267² = 15022083671430578, which contains 22 as substring.

Together with 86666269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86666263) 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, 43333133 + 43333134.

It is an arithmetic number, because the mean of its divisors is an integer number (43333134).

Almost surely, 2^86666267 is an apocalyptic number.

86666267 is a deficient number, since it is larger than the sum of its proper divisors (1).

86666267 is an equidigital number, since it uses as much as digits as its factorization.

86666267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 86666267 is about 9309.4718969445. The cubic root of 86666267 is about 442.5374511590.

The spelling of 86666267 in words is "eighty-six million, six hundred sixty-six thousand, two hundred sixty-seven".