3878443008 has 432 divisors, whose sum is σ = 12914385120. Its totient is φ = 1119191040.

The previous prime is 3878442949. The next prime is 3878443043. The reversal of 3878443008 is 8003448783.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82520041 + ... + 82520087.

It is an arithmetic number, because the mean of its divisors is an integer number (29894410).

Almost surely, 2^3878443008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878443008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6457192560).

3878443008 is an abundant number, since it is smaller than the sum of its proper divisors (9035942112).

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

3878443008 is a wasteful number, since it uses less digits than its factorization.

3878443008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 3878443008 is about 62277.1467554512. The cubic root of 3878443008 is about 1571.1553841292.

The spelling of 3878443008 in words is "three billion, eight hundred seventy-eight million, four hundred forty-three thousand, eight".