8668111 has 2 divisors, whose sum is σ = 8668112. Its totient is φ = 8668110.

The previous prime is 8668081. The next prime is 8668133. The reversal of 8668111 is 1118668.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8668111 - 2¹⁹ = 8143823 is a prime.

It is a super-2 number, since 2×8668111² = 150272296616642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8668141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4334055 + 4334056.

It is an arithmetic number, because the mean of its divisors is an integer number (4334056).

Almost surely, 2^8668111 is an apocalyptic number.

8668111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8668111 is an equidigital number, since it uses as much as digits as its factorization.

8668111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 8668111 is about 2944.1655863759. The cubic root of 8668111 is about 205.4194149692.

The spelling of 8668111 in words is "eight million, six hundred sixty-eight thousand, one hundred eleven".