268988827 has 2 divisors, whose sum is σ = 268988828. Its totient is φ = 268988826.

The previous prime is 268988803. The next prime is 268988831. The reversal of 268988827 is 728889862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268988827 - 2¹¹ = 268986779 is a prime.

It is not a weakly prime, because it can be changed into another prime (268988227) 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, 134494413 + 134494414.

It is an arithmetic number, because the mean of its divisors is an integer number (134494414).

Almost surely, 2^268988827 is an apocalyptic number.

268988827 is a deficient number, since it is larger than the sum of its proper divisors (1).

268988827 is an equidigital number, since it uses as much as digits as its factorization.

268988827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 58.

The square root of 268988827 is about 16400.8788484032. The cubic root of 268988827 is about 645.5225435188.

The spelling of 268988827 in words is "two hundred sixty-eight million, nine hundred eighty-eight thousand, eight hundred twenty-seven".