38774816478001 has 4 divisors (see below), whose sum is σ = 38774847857904. Its totient is φ = 38774785098100.

The previous prime is 38774816477981. The next prime is 38774816478067. The reversal of 38774816478001 is 10087461847783.

38774816478001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38774816478001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38774816472001) 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, 13757095 + ... + 16334236.

It is an arithmetic number, because the mean of its divisors is an integer number (9693711964476).

Almost surely, 2^{38774816478001} is an apocalyptic number.

It is an amenable number.

38774816478001 is a deficient number, since it is larger than the sum of its proper divisors (31379903).

38774816478001 is a wasteful number, since it uses less digits than its factorization.

38774816478001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31379902.

The product of its (nonzero) digits is 50577408, while the sum is 64.

The spelling of 38774816478001 in words is "thirty-eight trillion, seven hundred seventy-four billion, eight hundred sixteen million, four hundred seventy-eight thousand, one".