68483807778 has 8 divisors (see below), whose sum is σ = 136967615568. Its totient is φ = 22827935924.

The previous prime is 68483807731. The next prime is 68483807813. The reversal of 68483807778 is 87770838486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

68483807778 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 5706983976 + ... + 5706983987.

It is an arithmetic number, because the mean of its divisors is an integer number (17120951946).

Almost surely, 2^68483807778 is an apocalyptic number.

68483807778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68483807778 is a wasteful number, since it uses less digits than its factorization.

68483807778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413967968.

The product of its (nonzero) digits is 101154816, while the sum is 66.

The spelling of 68483807778 in words is "sixty-eight billion, four hundred eighty-three million, eight hundred seven thousand, seven hundred seventy-eight".