38163435878 has 8 divisors (see below), whose sum is σ = 57682140120. Its totient is φ = 18936055840.

The previous prime is 38163435839. The next prime is 38163435899. The reversal of 38163435878 is 87853436183.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 72830723 + ... + 72831246.

It is an arithmetic number, because the mean of its divisors is an integer number (7210267515).

Almost surely, 2^38163435878 is an apocalyptic number.

38163435878 is a deficient number, since it is larger than the sum of its proper divisors (19518704242).

38163435878 is a wasteful number, since it uses less digits than its factorization.

38163435878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145662102.

The product of its digits is 11612160, while the sum is 56.

The spelling of 38163435878 in words is "thirty-eight billion, one hundred sixty-three million, four hundred thirty-five thousand, eight hundred seventy-eight".