68608089 has 27 divisors (see below), whose sum is σ = 109364437. Its totient is φ = 41415000.

The previous prime is 68608087. The next prime is 68608097. The reversal of 68608089 is 98080686.

68608089 = T₁₅₂ + T₁₅₃ + ... + T₇₄₅.

The square root of 68608089 is 8283.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 68608089 - 2¹ = 68608087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68608087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 273214 + ... + 273464.

Almost surely, 2^68608089 is an apocalyptic number.

68608089 is the 8283-rd square number.

68608089 is the 4142-nd centered octagonal number.

It is an amenable number.

68608089 is a deficient number, since it is larger than the sum of its proper divisors (40756348).

68608089 is a wasteful number, since it uses less digits than its factorization.

68608089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 265 counting only the distinct ones).

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

The cubic root of 68608089 is about 409.3785727715.

The spelling of 68608089 in words is "sixty-eight million, six hundred eight thousand, eighty-nine".