38538133875 has 24 divisors (see below), whose sum is σ = 69471411360. Its totient is φ = 20553670800.

The previous prime is 38538133873. The next prime is 38538133891. The reversal of 38538133875 is 57833183583.

38538133875 is a `hidden beast` number, since 3 + 8 + 538 + 1 + 3 + 38 + 75 = 666.

It is not a de Polignac number, because 38538133875 - 2¹ = 38538133873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38538133873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17126935 + ... + 17129184.

It is an arithmetic number, because the mean of its divisors is an integer number (2894642140).

Almost surely, 2^38538133875 is an apocalyptic number.

38538133875 is a deficient number, since it is larger than the sum of its proper divisors (30933277485).

38538133875 is a wasteful number, since it uses less digits than its factorization.

38538133875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34256140 (or 34256127 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 38538133875 in words is "thirty-eight billion, five hundred thirty-eight million, one hundred thirty-three thousand, eight hundred seventy-five".