38678422680645 has 32 divisors (see below), whose sum is σ = 67538795189760. Its totient is φ = 18745572824640.

The previous prime is 38678422680607. The next prime is 38678422680649. The reversal of 38678422680645 is 54608622487683.

It is not a de Polignac number, because 38678422680645 - 2²⁸ = 38678154245189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38678422680645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678422680649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47103015 + ... + 47917124.

It is an arithmetic number, because the mean of its divisors is an integer number (2110587349680).

Almost surely, 2^{38678422680645} is an apocalyptic number.

It is an amenable number.

38678422680645 is a deficient number, since it is larger than the sum of its proper divisors (28860372509115).

38678422680645 is a wasteful number, since it uses less digits than its factorization.

38678422680645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95022625.

The product of its (nonzero) digits is 743178240, while the sum is 69.

The spelling of 38678422680645 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, six hundred eighty thousand, six hundred forty-five".