68375999 has 2 divisors, whose sum is σ = 68376000. Its totient is φ = 68375998.

The previous prime is 68375969. The next prime is 68376017. The reversal of 68375999 is 99957386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68375999 - 2⁸ = 68375743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68375959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34187999 + 34188000.

It is an arithmetic number, because the mean of its divisors is an integer number (34188000).

Almost surely, 2^68375999 is an apocalyptic number.

68375999 is a deficient number, since it is larger than the sum of its proper divisors (1).

68375999 is an equidigital number, since it uses as much as digits as its factorization.

68375999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 56.

The square root of 68375999 is about 8268.9781109881. The cubic root of 68375999 is about 408.9164308986.

The spelling of 68375999 in words is "sixty-eight million, three hundred seventy-five thousand, nine hundred ninety-nine".