38327972113915 has 24 divisors (see below), whose sum is σ = 51055455742704. Its totient is φ = 27598899768000.

The previous prime is 38327972113909. The next prime is 38327972113919. The reversal of 38327972113915 is 51931127972383.

It is not a de Polignac number, because 38327972113915 - 2⁷ = 38327972113787 is a prime.

It is a super-4 number, since 4×38327972113915⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38327972113919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313562757 + ... + 313684966.

It is an arithmetic number, because the mean of its divisors is an integer number (2127310655946).

Almost surely, 2^{38327972113915} is an apocalyptic number.

38327972113915 is a deficient number, since it is larger than the sum of its proper divisors (12727483628789).

38327972113915 is a wasteful number, since it uses less digits than its factorization.

38327972113915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627247851 (or 627247840 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 61.

The spelling of 38327972113915 in words is "thirty-eight trillion, three hundred twenty-seven billion, nine hundred seventy-two million, one hundred thirteen thousand, nine hundred fifteen".