266267087 has 2 divisors, whose sum is σ = 266267088. Its totient is φ = 266267086.

The previous prime is 266267047. The next prime is 266267093. The reversal of 266267087 is 780762662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266267087 - 2⁸ = 266266831 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266267017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133133543 + 133133544.

It is an arithmetic number, because the mean of its divisors is an integer number (133133544).

Almost surely, 2^266267087 is an apocalyptic number.

266267087 is a deficient number, since it is larger than the sum of its proper divisors (1).

266267087 is an equidigital number, since it uses as much as digits as its factorization.

266267087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 266267087 is about 16317.6924532852. The cubic root of 266267087 is about 643.3379374210.

The spelling of 266267087 in words is "two hundred sixty-six million, two hundred sixty-seven thousand, eighty-seven".