68696868 has 24 divisors (see below), whose sum is σ = 165464320. Its totient is φ = 22160160.

The previous prime is 68696863. The next prime is 68696917. The reversal of 68696868 is 86869686.

It is not an unprimeable number, because it can be changed into a prime (68696863) 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, 91963 + ... + 92706.

Almost surely, 2^68696868 is an apocalyptic number.

It is an amenable number.

68696868 is an abundant number, since it is smaller than the sum of its proper divisors (96767452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68696868 is a wasteful number, since it uses less digits than its factorization.

68696868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184707 (or 184705 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The square root of 68696868 is about 8288.3573764649. The cubic root of 68696868 is about 409.5550755503. Note that the first 3 decimals are identical.

The spelling of 68696868 in words is "sixty-eight million, six hundred ninety-six thousand, eight hundred sixty-eight".