86667311 has 2 divisors, whose sum is σ = 86667312. Its totient is φ = 86667310.

The previous prime is 86667307. The next prime is 86667313. The reversal of 86667311 is 11376668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86667311 - 2² = 86667307 is a prime.

It is a super-2 number, since 2×86667311² = 15022445591941442, which contains 22 as substring.

Together with 86667313, 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 (86667313) 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, 43333655 + 43333656.

It is an arithmetic number, because the mean of its divisors is an integer number (43333656).

Almost surely, 2^86667311 is an apocalyptic number.

86667311 is a deficient number, since it is larger than the sum of its proper divisors (1).

86667311 is an equidigital number, since it uses as much as digits as its factorization.

86667311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 86667311 is about 9309.5279686996. The cubic root of 86667311 is about 442.5392281181.

The spelling of 86667311 in words is "eighty-six million, six hundred sixty-seven thousand, three hundred eleven".