68888888 has 16 divisors (see below), whose sum is σ = 129374280. Its totient is φ = 34389088.

The previous prime is 68888873. The next prime is 68888893. The reversal of 68888888 is 88888886.

68888888 is a modest number, since divided by 8888 gives 6888 as remainder.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 68888888.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 11817.

Almost surely, 2^68888888 is an apocalyptic number.

It is an amenable number.

68888888 is a deficient number, since it is larger than the sum of its proper divisors (60485392).

68888888 is a wasteful number, since it uses less digits than its factorization.

68888888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846 (or 13842 counting only the distinct ones).

The product of its digits is 12582912, while the sum is 62.

The square root of 68888888 is about 8299.9330117779. The cubic root of 68888888 is about 409.9363137249.

The spelling of 68888888 in words is "sixty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-eight".