68088868 has 12 divisors (see below), whose sum is σ = 123264540. Its totient is φ = 32870432.

The previous prime is 68088857. The next prime is 68088869. The reversal of 68088868 is 86888086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50381604 + 17707264 = 7098^2 + 4208^2 .

It is not an unprimeable number, because it can be changed into a prime (68088869) 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, 293371 + ... + 293602.

It is an arithmetic number, because the mean of its divisors is an integer number (10272045).

Almost surely, 2^68088868 is an apocalyptic number.

It is an amenable number.

68088868 is a deficient number, since it is larger than the sum of its proper divisors (55175672).

68088868 is a wasteful number, since it uses less digits than its factorization.

68088868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587006 (or 587004 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 52.

The square root of 68088868 is about 8251.5979058604. The cubic root of 68088868 is about 408.3432408906.

The spelling of 68088868 in words is "sixty-eight million, eighty-eight thousand, eight hundred sixty-eight".