268427111 has 2 divisors, whose sum is σ = 268427112. Its totient is φ = 268427110.

The previous prime is 268427099. The next prime is 268427177. The reversal of 268427111 is 111724862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268427111 - 2¹⁰ = 268426087 is a prime.

It is a super-2 number, since 2×268427111² = 144106227839612642, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_14630396 and since 268427111 and 14630396 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268427311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134213555 + 134213556.

It is an arithmetic number, because the mean of its divisors is an integer number (134213556).

Almost surely, 2^268427111 is an apocalyptic number.

268427111 is a deficient number, since it is larger than the sum of its proper divisors (1).

268427111 is an equidigital number, since it uses as much as digits as its factorization.

268427111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 268427111 is about 16383.7453288313. The cubic root of 268427111 is about 645.0728928296.

The spelling of 268427111 in words is "two hundred sixty-eight million, four hundred twenty-seven thousand, one hundred eleven".