68224822780278 has 16 divisors (see below), whose sum is σ = 136467821972160. Its totient is φ = 22738578191496.

The previous prime is 68224822780267. The next prime is 68224822780321. The reversal of 68224822780278 is 87208722842286.

68224822780278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757301688 + ... + 757391771.

It is an arithmetic number, because the mean of its divisors is an integer number (8529238873260).

Almost surely, 2^{68224822780278} is an apocalyptic number.

68224822780278 is an abundant number, since it is smaller than the sum of its proper divisors (68242999191882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68224822780278 is a wasteful number, since it uses less digits than its factorization.

68224822780278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514700971.

The product of its (nonzero) digits is 154140672, while the sum is 66.

The spelling of 68224822780278 in words is "sixty-eight trillion, two hundred twenty-four billion, eight hundred twenty-two million, seven hundred eighty thousand, two hundred seventy-eight".