68911208 has 16 divisors (see below), whose sum is σ = 129296580. Its totient is φ = 34432128.

The previous prime is 68911207. The next prime is 68911211. The reversal of 68911208 is 80211986.

It can be written as a sum of positive squares in 2 ways, for example, as 50438404 + 18472804 = 7102^2 + 4298^2 .

It is not an unprimeable number, because it can be changed into a prime (68911207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21860 + ... + 24812.

Almost surely, 2^68911208 is an apocalyptic number.

It is an amenable number.

68911208 is a deficient number, since it is larger than the sum of its proper divisors (60385372).

68911208 is a wasteful number, since it uses less digits than its factorization.

68911208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 68911208 is about 8301.2774920490. The cubic root of 68911208 is about 409.9805820667.

The spelling of 68911208 in words is "sixty-eight million, nine hundred eleven thousand, two hundred eight".