68750089 has 2 divisors, whose sum is σ = 68750090. Its totient is φ = 68750088.

The previous prime is 68750051. The next prime is 68750093. The reversal of 68750089 is 98005786.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37613689 + 31136400 = 6133^2 + 5580^2 .

It is a cyclic number.

It is not a de Polignac number, because 68750089 - 2¹¹ = 68748041 is a prime.

It is not a weakly prime, because it can be changed into another prime (68750029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34375044 + 34375045.

It is an arithmetic number, because the mean of its divisors is an integer number (34375045).

Almost surely, 2^68750089 is an apocalyptic number.

It is an amenable number.

68750089 is a deficient number, since it is larger than the sum of its proper divisors (1).

68750089 is an equidigital number, since it uses as much as digits as its factorization.

68750089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 68750089 is about 8291.5673427887. The cubic root of 68750089 is about 409.6608120750.

The spelling of 68750089 in words is "sixty-eight million, seven hundred fifty thousand, eighty-nine".