68456532713678 has 16 divisors (see below), whose sum is σ = 104239344870144. Its totient is φ = 33710299491000.

The previous prime is 68456532713671. The next prime is 68456532713717. The reversal of 68456532713678 is 87631723565486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68456532713671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53127800 + ... + 54401067.

It is an arithmetic number, because the mean of its divisors is an integer number (6514959054384).

Almost surely, 2^{68456532713678} is an apocalyptic number.

68456532713678 is a deficient number, since it is larger than the sum of its proper divisors (35782812156466).

68456532713678 is a wasteful number, since it uses less digits than its factorization.

68456532713678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107533687.

The product of its digits is 1219276800, while the sum is 71.

The spelling of 68456532713678 in words is "sixty-eight trillion, four hundred fifty-six billion, five hundred thirty-two million, seven hundred thirteen thousand, six hundred seventy-eight".