38388385187 has 8 divisors (see below), whose sum is σ = 38708275200. Its totient is φ = 38069119944.

The previous prime is 38388385169. The next prime is 38388385193. The reversal of 38388385187 is 78158388383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38388385187 - 2¹⁴ = 38388368803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38388385127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32387 + ... + 278972.

It is an arithmetic number, because the mean of its divisors is an integer number (4838534400).

Almost surely, 2^38388385187 is an apocalyptic number.

38388385187 is a deficient number, since it is larger than the sum of its proper divisors (319890013).

38388385187 is a wasteful number, since it uses less digits than its factorization.

38388385187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312385.

The product of its digits is 30965760, while the sum is 62.

The spelling of 38388385187 in words is "thirty-eight billion, three hundred eighty-eight million, three hundred eighty-five thousand, one hundred eighty-seven".