68858663 has 2 divisors, whose sum is σ = 68858664. Its totient is φ = 68858662.

The previous prime is 68858659. The next prime is 68858689. The reversal of 68858663 is 36685886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68858663 - 2² = 68858659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68858563) 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, 34429331 + 34429332.

It is an arithmetic number, because the mean of its divisors is an integer number (34429332).

Almost surely, 2^68858663 is an apocalyptic number.

68858663 is a deficient number, since it is larger than the sum of its proper divisors (1).

68858663 is an equidigital number, since it uses as much as digits as its factorization.

68858663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The square root of 68858663 is about 8298.1120141873. The cubic root of 68858663 is about 409.8763517679.

The spelling of 68858663 in words is "sixty-eight million, eight hundred fifty-eight thousand, six hundred sixty-three".