266930897 has 2 divisors, whose sum is σ = 266930898. Its totient is φ = 266930896.

The previous prime is 266930891. The next prime is 266930903. The reversal of 266930897 is 798039662.

It is a balanced prime because it is at equal distance from previous prime (266930891) and next prime (266930903).

It can be written as a sum of positive squares in only one way, i.e., 261436561 + 5494336 = 16169^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 266930897 - 2⁸ = 266930641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (266930891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133465448 + 133465449.

It is an arithmetic number, because the mean of its divisors is an integer number (133465449).

Almost surely, 2^266930897 is an apocalyptic number.

It is an amenable number.

266930897 is a deficient number, since it is larger than the sum of its proper divisors (1).

266930897 is an equidigital number, since it uses as much as digits as its factorization.

266930897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 266930897 is about 16338.0199840740. The cubic root of 266930897 is about 643.8721125438.

The spelling of 266930897 in words is "two hundred sixty-six million, nine hundred thirty thousand, eight hundred ninety-seven".