3888838872 has 24 divisors (see below), whose sum is σ = 10532272140. Its totient is φ = 1296279600.

The previous prime is 3888838871. The next prime is 3888838879. The reversal of 3888838872 is 2788388883.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888838871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27005754 + ... + 27005897.

Almost surely, 2^3888838872 is an apocalyptic number.

It is an amenable number.

3888838872 is an abundant number, since it is smaller than the sum of its proper divisors (6643433268).

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

3888838872 is a wasteful number, since it uses less digits than its factorization.

3888838872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54011663 (or 54011656 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The square root of 3888838872 is about 62360.5554176677. Note that the first 3 decimals coincide. The cubic root of 3888838872 is about 1572.5579182373.

The spelling of 3888838872 in words is "three billion, eight hundred eighty-eight million, eight hundred thirty-eight thousand, eight hundred seventy-two".