266056727 has 2 divisors, whose sum is σ = 266056728. Its totient is φ = 266056726.

The previous prime is 266056711. The next prime is 266056729. The reversal of 266056727 is 727650662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266056727 - 2⁴ = 266056711 is a prime.

Together with 266056729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266056729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133028363 + 133028364.

It is an arithmetic number, because the mean of its divisors is an integer number (133028364).

Almost surely, 2^266056727 is an apocalyptic number.

266056727 is a deficient number, since it is larger than the sum of its proper divisors (1).

266056727 is an equidigital number, since it uses as much as digits as its factorization.

266056727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 266056727 is about 16311.2454153569. The cubic root of 266056727 is about 643.1684732127.

The spelling of 266056727 in words is "two hundred sixty-six million, fifty-six thousand, seven hundred twenty-seven".