3880644888 has 16 divisors (see below), whose sum is σ = 9701612280. Its totient is φ = 1293548288.

The previous prime is 3880644881. The next prime is 3880644907. The reversal of 3880644888 is 8884460883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880644881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 80846745 + ... + 80846792.

Almost surely, 2^3880644888 is an apocalyptic number.

It is an amenable number.

3880644888 is an abundant number, since it is smaller than the sum of its proper divisors (5820967392).

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

3880644888 is a wasteful number, since it uses less digits than its factorization.

3880644888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161693546 (or 161693542 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 57.

The square root of 3880644888 is about 62294.8223209602. The cubic root of 3880644888 is about 1571.4526547210.

The spelling of 3880644888 in words is "three billion, eight hundred eighty million, six hundred forty-four thousand, eight hundred eighty-eight".