3878204544 has 48 divisors (see below), whose sum is σ = 11159940870. Its totient is φ = 1292734464.

The previous prime is 3878204537. The next prime is 3878204573. The reversal of 3878204544 is 4454028783.

It is a happy number.

3878204544 is a `hidden beast` number, since 3 + 87 + 8 + 20 + 4 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3783726144 + 94478400 = 61512^2 + 9720^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3878204544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682097 + ... + 1684400.

Almost surely, 2^3878204544 is an apocalyptic number.

It is an amenable number.

3878204544 is an abundant number, since it is smaller than the sum of its proper divisors (7281736326).

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

3878204544 is a wasteful number, since it uses less digits than its factorization.

3878204544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366517 (or 3366502 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The square root of 3878204544 is about 62275.2321874435. The cubic root of 3878204544 is about 1571.1231829189.

The spelling of 3878204544 in words is "three billion, eight hundred seventy-eight million, two hundred four thousand, five hundred forty-four".