68808841 has 4 divisors (see below), whose sum is σ = 69476992. Its totient is φ = 68140692.

The previous prime is 68808769. The next prime is 68808917. The reversal of 68808841 is 14880886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68808841 - 2⁷ = 68808713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68808241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333921 + ... + 334126.

It is an arithmetic number, because the mean of its divisors is an integer number (17369248).

Almost surely, 2^68808841 is an apocalyptic number.

It is an amenable number.

68808841 is a deficient number, since it is larger than the sum of its proper divisors (668151).

68808841 is a wasteful number, since it uses less digits than its factorization.

68808841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668150.

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 68808841 is about 8295.1094628100. The cubic root of 68808841 is about 409.7774739323. Note that the first 3 decimals are identical.

The spelling of 68808841 in words is "sixty-eight million, eight hundred eight thousand, eight hundred forty-one".