68818806 has 48 divisors (see below), whose sum is σ = 177825024. Its totient is φ = 18806832.

The previous prime is 68818801. The next prime is 68818811. The reversal of 68818806 is 60881886.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68818801) and next prime (68818811).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68818801) 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 23 ways as a sum of consecutive naturals, for example, 8976 + ... + 14771.

It is an arithmetic number, because the mean of its divisors is an integer number (3704688).

Almost surely, 2^68818806 is an apocalyptic number.

68818806 is an abundant number, since it is smaller than the sum of its proper divisors (109006218).

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

68818806 is a wasteful number, since it uses less digits than its factorization.

68818806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23785 (or 23782 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 68818806 is about 8295.7100961883. The cubic root of 68818806 is about 409.7972545078.

It can be divided in two parts, 6881880 and 6, that added together give a palindrome (6881886).

The spelling of 68818806 in words is "sixty-eight million, eight hundred eighteen thousand, eight hundred six".