266229827 has 2 divisors, whose sum is σ = 266229828. Its totient is φ = 266229826.

The previous prime is 266229791. The next prime is 266229857. The reversal of 266229827 is 728922662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266229827 - 2¹⁰ = 266228803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (266229857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133114913 + 133114914.

It is an arithmetic number, because the mean of its divisors is an integer number (133114914).

Almost surely, 2^266229827 is an apocalyptic number.

266229827 is a deficient number, since it is larger than the sum of its proper divisors (1).

266229827 is an equidigital number, since it uses as much as digits as its factorization.

266229827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 266229827 is about 16316.5507077936. The cubic root of 266229827 is about 643.3079275914.

The spelling of 266229827 in words is "two hundred sixty-six million, two hundred twenty-nine thousand, eight hundred twenty-seven".