68888888888 has 16 divisors (see below), whose sum is σ = 129431903280. Its totient is φ = 34373714688.

The previous prime is 68888888881. The next prime is 68888888891. The reversal of 68888888888 is 88888888886.

68888888888 is a modest number, since divided by 888888 gives 68888 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68888888881) 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 3 ways as a sum of consecutive naturals, for example, 8837081 + ... + 8844872.

It is an arithmetic number, because the mean of its divisors is an integer number (8089493955).

Almost surely, 2^68888888888 is an apocalyptic number.

It is an amenable number.

68888888888 is a deficient number, since it is larger than the sum of its proper divisors (60543014392).

68888888888 is a wasteful number, since it uses less digits than its factorization.

68888888888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17682446 (or 17682442 counting only the distinct ones).

The product of its digits is 6442450944, while the sum is 86.

The spelling of 68888888888 in words is "sixty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-eight".