38678403566747 has 16 divisors (see below), whose sum is σ = 45655762944000. Its totient is φ = 32065228473120.

The previous prime is 38678403566723. The next prime is 38678403566807. The reversal of 38678403566747 is 74766530487683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38678403566747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38678403566707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50283872 + ... + 51047277.

It is an arithmetic number, because the mean of its divisors is an integer number (2853485184000).

Almost surely, 2^{38678403566747} is an apocalyptic number.

38678403566747 is a deficient number, since it is larger than the sum of its proper divisors (6977359377253).

38678403566747 is a wasteful number, since it uses less digits than its factorization.

38678403566747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101332946.

The product of its (nonzero) digits is 3413975040, while the sum is 74.

The spelling of 38678403566747 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred sixty-six thousand, seven hundred forty-seven".