388500850385 has 16 divisors (see below), whose sum is σ = 473197890816. Its totient is φ = 306136858368.

The previous prime is 388500850343. The next prime is 388500850393. The reversal of 388500850385 is 583058005883.

It is a cyclic number.

It is not a de Polignac number, because 388500850385 - 2⁶ = 388500850321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4799609 + ... + 4879881.

It is an arithmetic number, because the mean of its divisors is an integer number (29574868176).

Almost surely, 2^388500850385 is an apocalyptic number.

It is an amenable number.

388500850385 is a deficient number, since it is larger than the sum of its proper divisors (84697040431).

388500850385 is a wasteful number, since it uses less digits than its factorization.

388500850385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94792.

The product of its (nonzero) digits is 4608000, while the sum is 53.

It can be divided in two parts, 3885008 and 50385, that added together give a palindrome (3935393).

The spelling of 388500850385 in words is "three hundred eighty-eight billion, five hundred million, eight hundred fifty thousand, three hundred eighty-five".