68824663 has 2 divisors, whose sum is σ = 68824664. Its totient is φ = 68824662.

The previous prime is 68824661. The next prime is 68824667. The reversal of 68824663 is 36642886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68824663 - 2¹ = 68824661 is a prime.

Together with 68824661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68824661) 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, 34412331 + 34412332.

It is an arithmetic number, because the mean of its divisors is an integer number (34412332).

Almost surely, 2^68824663 is an apocalyptic number.

68824663 is a deficient number, since it is larger than the sum of its proper divisors (1).

68824663 is an equidigital number, since it uses as much as digits as its factorization.

68824663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 68824663 is about 8296.0631024601. The cubic root of 68824663 is about 409.8088797915.

The spelling of 68824663 in words is "sixty-eight million, eight hundred twenty-four thousand, six hundred sixty-three".