38399519727788 has 24 divisors (see below), whose sum is σ = 68075491545600. Its totient is φ = 18949562927568.

The previous prime is 38399519727787. The next prime is 38399519727823. The reversal of 38399519727788 is 88772791599383.

38399519727788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38399519727787) by changing a digit.

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, 22117358 + ... + 23790261.

It is an arithmetic number, because the mean of its divisors is an integer number (2836478814400).

Almost surely, 2^{38399519727788} is an apocalyptic number.

It is an amenable number.

38399519727788 is a deficient number, since it is larger than the sum of its proper divisors (29675971817812).

38399519727788 is a wasteful number, since it uses less digits than its factorization.

38399519727788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45910349 (or 45910347 counting only the distinct ones).

The product of its digits is 11522165760, while the sum is 86.

The spelling of 38399519727788 in words is "thirty-eight trillion, three hundred ninety-nine billion, five hundred nineteen million, seven hundred twenty-seven thousand, seven hundred eighty-eight".