68875903 has 2 divisors, whose sum is σ = 68875904. Its totient is φ = 68875902.

The previous prime is 68875883. The next prime is 68875909. The reversal of 68875903 is 30957886.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68875903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68875909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34437951 + 34437952.

It is an arithmetic number, because the mean of its divisors is an integer number (34437952).

Almost surely, 2^68875903 is an apocalyptic number.

68875903 is a deficient number, since it is larger than the sum of its proper divisors (1).

68875903 is an equidigital number, since it uses as much as digits as its factorization.

68875903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 68875903 is about 8299.1507396842. The cubic root of 68875903 is about 409.9105555430.

The spelling of 68875903 in words is "sixty-eight million, eight hundred seventy-five thousand, nine hundred three".