38678651645007 has 64 divisors (see below), whose sum is σ = 57271374236160. Its totient is φ = 23024436019200.

The previous prime is 38678651644981. The next prime is 38678651645057. The reversal of 38678651645007 is 70054615687683.

38678651645007 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 38678651645007 - 2⁶ = 38678651644943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678651645057) 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 63 ways as a sum of consecutive naturals, for example, 238338969 + ... + 238501197.

It is an arithmetic number, because the mean of its divisors is an integer number (894865222440).

Almost surely, 2^{38678651645007} is an apocalyptic number.

38678651645007 is a deficient number, since it is larger than the sum of its proper divisors (18592722591153).

38678651645007 is a wasteful number, since it uses less digits than its factorization.

38678651645007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162904.

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 38678651645007 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-one million, six hundred forty-five thousand, seven".