68700089 has 2 divisors, whose sum is σ = 68700090. Its totient is φ = 68700088.

The previous prime is 68700019. The next prime is 68700109. The reversal of 68700089 is 98000786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 3736489 = 8060^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 68700089 - 2²⁴ = 51922873 is a prime.

It is not a weakly prime, because it can be changed into another prime (68700019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34350044 + 34350045.

It is an arithmetic number, because the mean of its divisors is an integer number (34350045).

Almost surely, 2^68700089 is an apocalyptic number.

It is an amenable number.

68700089 is a deficient number, since it is larger than the sum of its proper divisors (1).

68700089 is an equidigital number, since it uses as much as digits as its factorization.

68700089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 68700089 is about 8288.5516828937. The cubic root of 68700089 is about 409.5614764063.

The spelling of 68700089 in words is "sixty-eight million, seven hundred thousand, eighty-nine".