38678653543784 has 16 divisors (see below), whose sum is σ = 72522546187200. Its totient is φ = 19339307893872.

The previous prime is 38678653543759. The next prime is 38678653543787. The reversal of 38678653543784 is 48734535687683.

38678653543784 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 (38678653543787) 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 3 ways as a sum of consecutive naturals, for example, 10417847 + ... + 13634105.

It is an arithmetic number, because the mean of its divisors is an integer number (4532659136700).

Almost surely, 2^{38678653543784} is an apocalyptic number.

It is an amenable number.

38678653543784 is a deficient number, since it is larger than the sum of its proper divisors (33843892643416).

38678653543784 is a wasteful number, since it uses less digits than its factorization.

38678653543784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719512 (or 4719508 counting only the distinct ones).

The product of its digits is 9754214400, while the sum is 77.

The spelling of 38678653543784 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-three million, five hundred forty-three thousand, seven hundred eighty-four".