68005306789 has 16 divisors (see below), whose sum is σ = 78603551488. Its totient is φ = 57629117952.

The previous prime is 68005306753. The next prime is 68005306799. The reversal of 68005306789 is 98760350086.

It is not a de Polignac number, because 68005306789 - 2¹⁷ = 68005175717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68005306709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604807 + ... + 708379.

It is an arithmetic number, because the mean of its divisors is an integer number (4912721968).

Almost surely, 2^68005306789 is an apocalyptic number.

It is an amenable number.

68005306789 is a deficient number, since it is larger than the sum of its proper divisors (10598244699).

68005306789 is a wasteful number, since it uses less digits than its factorization.

68005306789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104644.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 68005306789 in words is "sixty-eight billion, five million, three hundred six thousand, seven hundred eighty-nine".