68083311 has 4 divisors (see below), whose sum is σ = 90777752. Its totient is φ = 45388872.

The previous prime is 68083297. The next prime is 68083313. The reversal of 68083311 is 11338086.

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

It is not a de Polignac number, because 68083311 - 2¹¹ = 68081263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68083313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11347216 + ... + 11347221.

It is an arithmetic number, because the mean of its divisors is an integer number (22694438).

Almost surely, 2^68083311 is an apocalyptic number.

68083311 is a deficient number, since it is larger than the sum of its proper divisors (22694441).

68083311 is a wasteful number, since it uses less digits than its factorization.

68083311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22694440.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 68083311 is about 8251.2611763293. The cubic root of 68083311 is about 408.3321317564.

The spelling of 68083311 in words is "sixty-eight million, eighty-three thousand, three hundred eleven".