68668882 has 16 divisors (see below), whose sum is σ = 109260792. Its totient is φ = 32256000.

The previous prime is 68668877. The next prime is 68668883. The reversal of 68668882 is 28886686.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62110161 + 6558721 = 7881^2 + 2561^2 .

It is not an unprimeable number, because it can be changed into a prime (68668883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21382 + ... + 24382.

Almost surely, 2^68668882 is an apocalyptic number.

68668882 is a deficient number, since it is larger than the sum of its proper divisors (40591910).

68668882 is a wasteful number, since it uses less digits than its factorization.

68668882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693.

The product of its digits is 1769472, while the sum is 52.

The square root of 68668882 is about 8286.6689326894. The cubic root of 68668882 is about 409.4994526111.

The spelling of 68668882 in words is "sixty-eight million, six hundred sixty-eight thousand, eight hundred eighty-two".