266255827 has 2 divisors, whose sum is σ = 266255828. Its totient is φ = 266255826.

The previous prime is 266255813. The next prime is 266255837. The reversal of 266255827 is 728552662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266255827 - 2²³ = 257867219 is a prime.

It is a super-2 number, since 2×266255827² = 141784330822907858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266255837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133127913 + 133127914.

It is an arithmetic number, because the mean of its divisors is an integer number (133127914).

Almost surely, 2^266255827 is an apocalyptic number.

266255827 is a deficient number, since it is larger than the sum of its proper divisors (1).

266255827 is an equidigital number, since it uses as much as digits as its factorization.

266255827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 266255827 is about 16317.3474253630. The cubic root of 266255827 is about 643.3288687231.

The spelling of 266255827 in words is "two hundred sixty-six million, two hundred fifty-five thousand, eight hundred twenty-seven".