38386668685 has 32 divisors (see below), whose sum is σ = 49816166400. Its totient is φ = 28312680000.

The previous prime is 38386668673. The next prime is 38386668739. The reversal of 38386668685 is 58686668383.

It is not a de Polignac number, because 38386668685 - 2²³ = 38378280077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38386668685.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 873366 + ... + 916264.

It is an arithmetic number, because the mean of its divisors is an integer number (1556755200).

Almost surely, 2^38386668685 is an apocalyptic number.

It is an amenable number.

38386668685 is a deficient number, since it is larger than the sum of its proper divisors (11429497715).

38386668685 is a wasteful number, since it uses less digits than its factorization.

38386668685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43209.

The product of its digits is 238878720, while the sum is 67.

The spelling of 38386668685 in words is "thirty-eight billion, three hundred eighty-six million, six hundred sixty-eight thousand, six hundred eighty-five".