68818803 has 4 divisors (see below), whose sum is σ = 91758408. Its totient is φ = 45879200.

The previous prime is 68818801. The next prime is 68818811. The reversal of 68818803 is 30881886.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68818803 - 2¹ = 68818801 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 11469798 + ... + 11469803.

It is an arithmetic number, because the mean of its divisors is an integer number (22939602).

Almost surely, 2^68818803 is an apocalyptic number.

68818803 is a deficient number, since it is larger than the sum of its proper divisors (22939605).

68818803 is a wasteful number, since it uses less digits than its factorization.

68818803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22939604.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 68818803 is about 8295.7099153719. The cubic root of 68818803 is about 409.7972485531.

It can be divided in two parts, 688 and 18803, that added together give a palindrome (19491).

The spelling of 68818803 in words is "sixty-eight million, eight hundred eighteen thousand, eight hundred three".