68875566 has 8 divisors (see below), whose sum is σ = 137751144. Its totient is φ = 22958520.

The previous prime is 68875559. The next prime is 68875571. The reversal of 68875566 is 66557886.

It is a sphenic number, since it is the product of 3 distinct primes.

68875566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5739625 + ... + 5739636.

It is an arithmetic number, because the mean of its divisors is an integer number (17218893).

Almost surely, 2^68875566 is an apocalyptic number.

68875566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68875566 is a wasteful number, since it uses less digits than its factorization.

68875566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11479266.

The product of its digits is 2419200, while the sum is 51.

The square root of 68875566 is about 8299.1304363771. The cubic root of 68875566 is about 409.9098869972.

The spelling of 68875566 in words is "sixty-eight million, eight hundred seventy-five thousand, five hundred sixty-six".