38859993667 has 16 divisors (see below), whose sum is σ = 42727655520. Its totient is φ = 35049254400.

The previous prime is 38859993661. The next prime is 38859993709. The reversal of 38859993667 is 76639995883.

It is a cyclic number.

It is not a de Polignac number, because 38859993667 - 2³ = 38859993659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38859993667.

It is not an unprimeable number, because it can be changed into a prime (38859993661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685873 + ... + 740365.

It is an arithmetic number, because the mean of its divisors is an integer number (2670478470).

Almost surely, 2^38859993667 is an apocalyptic number.

38859993667 is a deficient number, since it is larger than the sum of its proper divisors (3867661853).

38859993667 is a wasteful number, since it uses less digits than its factorization.

38859993667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55014.

The product of its digits is 529079040, while the sum is 73.

The spelling of 38859993667 in words is "thirty-eight billion, eight hundred fifty-nine million, nine hundred ninety-three thousand, six hundred sixty-seven".