68789319 has 4 divisors (see below), whose sum is σ = 91719096. Its totient is φ = 45859544.

The previous prime is 68789269. The next prime is 68789323. The reversal of 68789319 is 91398786.

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 68789319 - 2²⁵ = 35234887 is a prime.

It is a super-2 number, since 2×68789319² = 9463940816967522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68789359) 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, 11464884 + ... + 11464889.

It is an arithmetic number, because the mean of its divisors is an integer number (22929774).

Almost surely, 2^68789319 is an apocalyptic number.

68789319 is a deficient number, since it is larger than the sum of its proper divisors (22929777).

68789319 is a wasteful number, since it uses less digits than its factorization.

68789319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22929776.

The product of its digits is 653184, while the sum is 51.

The square root of 68789319 is about 8293.9326618921. The cubic root of 68789319 is about 409.7387171273.

The spelling of 68789319 in words is "sixty-eight million, seven hundred eighty-nine thousand, three hundred nineteen".