38781755714745 has 96 divisors (see below), whose sum is σ = 70497209502720. Its totient is φ = 19699352616960.

The previous prime is 38781755714743. The next prime is 38781755714777. The reversal of 38781755714745 is 54741755718783.

38781755714745 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 1 + 7 + 5 + 571 + 4 + 7 + 45 = 666.

38781755714745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38781755714745 - 2¹ = 38781755714743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38781755714743) 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 95 ways as a sum of consecutive naturals, for example, 23420817 + ... + 25021953.

It is an arithmetic number, because the mean of its divisors is an integer number (734345932320).

Almost surely, 2^{38781755714745} is an apocalyptic number.

It is an amenable number.

38781755714745 is a deficient number, since it is larger than the sum of its proper divisors (31715453787975).

38781755714745 is a wasteful number, since it uses less digits than its factorization.

38781755714745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601455 (or 1601452 counting only the distinct ones).

The product of its digits is 921984000, while the sum is 72.

The spelling of 38781755714745 in words is "thirty-eight trillion, seven hundred eighty-one billion, seven hundred fifty-five million, seven hundred fourteen thousand, seven hundred forty-five".