3878530944 has 64 divisors (see below), whose sum is σ = 10310976000. Its totient is φ = 1291761152.

The previous prime is 3878530939. The next prime is 3878530961. The reversal of 3878530944 is 4490358783.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3878530944² = 30086004567131062272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549067 + ... + 556085.

It is an arithmetic number, because the mean of its divisors is an integer number (161109000).

Almost surely, 2^3878530944 is an apocalyptic number.

It is an amenable number.

3878530944 is an abundant number, since it is smaller than the sum of its proper divisors (6432445056).

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

3878530944 is a wasteful number, since it uses less digits than its factorization.

3878530944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 3878530944 is about 62277.8527568188. The cubic root of 3878530944 is about 1571.1672583164.

The spelling of 3878530944 in words is "three billion, eight hundred seventy-eight million, five hundred thirty thousand, nine hundred forty-four".