266342899 has 2 divisors, whose sum is σ = 266342900. Its totient is φ = 266342898.

The previous prime is 266342887. The next prime is 266342911. The reversal of 266342899 is 998243662.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (266342887) and next prime (266342911).

It is a cyclic number.

It is not a de Polignac number, because 266342899 - 2⁷ = 266342771 is a prime.

It is not a weakly prime, because it can be changed into another prime (266342809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133171449 + 133171450.

It is an arithmetic number, because the mean of its divisors is an integer number (133171450).

Almost surely, 2^266342899 is an apocalyptic number.

266342899 is a deficient number, since it is larger than the sum of its proper divisors (1).

266342899 is an equidigital number, since it uses as much as digits as its factorization.

266342899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 49.

The square root of 266342899 is about 16320.0152879830. The cubic root of 266342899 is about 643.3989890366.

The spelling of 266342899 in words is "two hundred sixty-six million, three hundred forty-two thousand, eight hundred ninety-nine".