38382717815 has 16 divisors (see below), whose sum is σ = 50281771008. Its totient is φ = 27955881216.

The previous prime is 38382717811. The next prime is 38382717839. The reversal of 38382717815 is 51871728383.

It is a cyclic number.

It is not a de Polignac number, because 38382717815 - 2² = 38382717811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38382717811) 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 15 ways as a sum of consecutive naturals, for example, 4039799 + ... + 4049288.

It is an arithmetic number, because the mean of its divisors is an integer number (3142610688).

Almost surely, 2^38382717815 is an apocalyptic number.

38382717815 is a deficient number, since it is larger than the sum of its proper divisors (11899053193).

38382717815 is a wasteful number, since it uses less digits than its factorization.

38382717815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089178.

The product of its digits is 2257920, while the sum is 53.

The spelling of 38382717815 in words is "thirty-eight billion, three hundred eighty-two million, seven hundred seventeen thousand, eight hundred fifteen".