68328811 has 8 divisors (see below), whose sum is σ = 69572160. Its totient is φ = 67092168.

The previous prime is 68328781. The next prime is 68328857. The reversal of 68328811 is 11882386.

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

It is a cyclic number.

It is not a de Polignac number, because 68328811 - 2⁵ = 68328779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68328311) 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 7 ways as a sum of consecutive naturals, for example, 21780 + ... + 24718.

It is an arithmetic number, because the mean of its divisors is an integer number (8696520).

Almost surely, 2^68328811 is an apocalyptic number.

68328811 is a deficient number, since it is larger than the sum of its proper divisors (1243349).

68328811 is a wasteful number, since it uses less digits than its factorization.

68328811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353.

The product of its digits is 18432, while the sum is 37.

The square root of 68328811 is about 8266.1243034448. The cubic root of 68328811 is about 408.8223414062.

The spelling of 68328811 in words is "sixty-eight million, three hundred twenty-eight thousand, eight hundred eleven".