3878231118 has 16 divisors (see below), whose sum is σ = 7827623760. Its totient is φ = 1280883456.

The previous prime is 3878231111. The next prime is 3878231167. The reversal of 3878231118 is 8111328783.

3878231118 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3878231118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878231111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2964355 + ... + 2965662.

It is an arithmetic number, because the mean of its divisors is an integer number (489226485).

Almost surely, 2^3878231118 is an apocalyptic number.

3878231118 is an abundant number, since it is smaller than the sum of its proper divisors (3949392642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3878231118 is a wasteful number, since it uses less digits than its factorization.

3878231118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930131.

The product of its digits is 64512, while the sum is 42.

The square root of 3878231118 is about 62275.4455463789. The cubic root of 3878231118 is about 1571.1267714293.

The spelling of 3878231118 in words is "three billion, eight hundred seventy-eight million, two hundred thirty-one thousand, one hundred eighteen".