268606879 has 2 divisors, whose sum is σ = 268606880. Its totient is φ = 268606878.

The previous prime is 268606843. The next prime is 268606883. The reversal of 268606879 is 978606862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268606879 - 2⁹ = 268606367 is a prime.

It is a super-2 number, since 2×268606879² = 144299310892241282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268606829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134303439 + 134303440.

It is an arithmetic number, because the mean of its divisors is an integer number (134303440).

Almost surely, 2^268606879 is an apocalyptic number.

268606879 is a deficient number, since it is larger than the sum of its proper divisors (1).

268606879 is an equidigital number, since it uses as much as digits as its factorization.

268606879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 268606879 is about 16389.2305798655. The cubic root of 268606879 is about 645.2168643603.

The spelling of 268606879 in words is "two hundred sixty-eight million, six hundred six thousand, eight hundred seventy-nine".