3881878284 has 24 divisors (see below), whose sum is σ = 9073430128. Its totient is φ = 1291714560.

The previous prime is 3881878279. The next prime is 3881878313. The reversal of 3881878284 is 4828781883.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273397 + ... + 287244.

Almost surely, 2^3881878284 is an apocalyptic number.

It is an amenable number.

3881878284 is an abundant number, since it is smaller than the sum of its proper divisors (5191551844).

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

3881878284 is a wasteful number, since it uses less digits than its factorization.

3881878284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561225 (or 561223 counting only the distinct ones).

The product of its digits is 5505024, while the sum is 57.

The square root of 3881878284 is about 62304.7212015269. The cubic root of 3881878284 is about 1571.6191234539.

The spelling of 3881878284 in words is "three billion, eight hundred eighty-one million, eight hundred seventy-eight thousand, two hundred eighty-four".