68068089 has 12 divisors (see below), whose sum is σ = 103495600. Its totient is φ = 42990264.

The previous prime is 68068087. The next prime is 68068093. The reversal of 68068089 is 98086086.

It is not a de Polignac number, because 68068089 - 2¹ = 68068087 is a prime.

It is a super-2 number, since 2×68068089² = 9266529480223842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68068081) 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 in 11 ways as a sum of consecutive naturals, for example, 198859 + ... + 199200.

Almost surely, 2^68068089 is an apocalyptic number.

It is an amenable number.

68068089 is a deficient number, since it is larger than the sum of its proper divisors (35427511).

68068089 is a wasteful number, since it uses less digits than its factorization.

68068089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398084 (or 398081 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 68068089 is about 8250.3387203193. The cubic root of 68068089 is about 408.3016979888.

The spelling of 68068089 in words is "sixty-eight million, sixty-eight thousand, eighty-nine".