68388283 has 2 divisors, whose sum is σ = 68388284. Its totient is φ = 68388282.

The previous prime is 68388227. The next prime is 68388289. The reversal of 68388283 is 38288386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68388283 - 2²¹ = 66291131 is a prime.

It is not a weakly prime, because it can be changed into another prime (68388289) 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, 34194141 + 34194142.

It is an arithmetic number, because the mean of its divisors is an integer number (34194142).

Almost surely, 2^68388283 is an apocalyptic number.

68388283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68388283 is an equidigital number, since it uses as much as digits as its factorization.

68388283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 68388283 is about 8269.7208538136. The cubic root of 68388283 is about 408.9409172132.

The spelling of 68388283 in words is "sixty-eight million, three hundred eighty-eight thousand, two hundred eighty-three".