68806608 has 80 divisors (see below), whose sum is σ = 197654016. Its totient is φ = 20482560.

The previous prime is 68806603. The next prime is 68806609. The reversal of 68806608 is 80660886.

It is a self number, because there is not a number n which added to its sum of digits gives 68806608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68806601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17566 + ... + 21122.

Almost surely, 2^68806608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68806608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98827008).

68806608 is an abundant number, since it is smaller than the sum of its proper divisors (128847408).

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

68806608 is a wasteful number, since it uses less digits than its factorization.

68806608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 68806608 is about 8294.9748643380. The cubic root of 68806608 is about 409.7730411541.

The spelling of 68806608 in words is "sixty-eight million, eight hundred six thousand, six hundred eight".