68608898 has 6 divisors (see below), whose sum is σ = 102930921. Its totient is φ = 34298592.

The previous prime is 68608877. The next prime is 68608901. The reversal of 68608898 is 89880686.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49885969 + 18722929 = 7063^2 + 4327^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5857.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 8786 + ... + 14642.

Almost surely, 2^68608898 is an apocalyptic number.

68608898 is a deficient number, since it is larger than the sum of its proper divisors (34322023).

68608898 is an frugal number, since it uses more digits than its factorization.

68608898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 68608898 is about 8283.0488348192. The cubic root of 68608898 is about 409.3801818430.

The spelling of 68608898 in words is "sixty-eight million, six hundred eight thousand, eight hundred ninety-eight".