38781368068 has 12 divisors (see below), whose sum is σ = 67916833740. Its totient is φ = 19376558432.

The previous prime is 38781368053. The next prime is 38781368089. The reversal of 38781368068 is 86086318783.

It can be written as a sum of positive squares in 2 ways, for example, as 29884728384 + 8896639684 = 172872^2 + 94322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3525223 + ... + 3536206.

It is an arithmetic number, because the mean of its divisors is an integer number (5659736145).

Almost surely, 2^38781368068 is an apocalyptic number.

It is an amenable number.

38781368068 is a deficient number, since it is larger than the sum of its proper divisors (29135465672).

38781368068 is a wasteful number, since it uses less digits than its factorization.

38781368068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062806 (or 7062804 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 38781368068 in words is "thirty-eight billion, seven hundred eighty-one million, three hundred sixty-eight thousand, sixty-eight".