268805707 has 2 divisors, whose sum is σ = 268805708. Its totient is φ = 268805706.

The previous prime is 268805687. The next prime is 268805723. The reversal of 268805707 is 707508862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268805707 - 2¹⁵ = 268772939 is a prime.

It is not a weakly prime, because it can be changed into another prime (268805107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134402853 + 134402854.

It is an arithmetic number, because the mean of its divisors is an integer number (134402854).

Almost surely, 2^268805707 is an apocalyptic number.

268805707 is a deficient number, since it is larger than the sum of its proper divisors (1).

268805707 is an equidigital number, since it uses as much as digits as its factorization.

268805707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 268805707 is about 16395.2952702902. The cubic root of 268805707 is about 645.3760257571.

The spelling of 268805707 in words is "two hundred sixty-eight million, eight hundred five thousand, seven hundred seven".