38878632159 has 4 divisors (see below), whose sum is σ = 51838176216. Its totient is φ = 25919088104.

The previous prime is 38878632053. The next prime is 38878632167. The reversal of 38878632159 is 95123687883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38878632159 - 2⁸ = 38878631903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38878632259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6479772024 + ... + 6479772029.

It is an arithmetic number, because the mean of its divisors is an integer number (12959544054).

Almost surely, 2^38878632159 is an apocalyptic number.

38878632159 is a deficient number, since it is larger than the sum of its proper divisors (12959544057).

38878632159 is a wasteful number, since it uses less digits than its factorization.

38878632159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959544056.

The product of its digits is 17418240, while the sum is 60.

The spelling of 38878632159 in words is "thirty-eight billion, eight hundred seventy-eight million, six hundred thirty-two thousand, one hundred fifty-nine".