3888888888884 has 6 divisors (see below), whose sum is σ = 6805555555554. Its totient is φ = 1944444444440.

The previous prime is 3888888888883. The next prime is 3888888888943. The reversal of 3888888888884 is 4888888888883.

It can be written as a sum of positive squares in only one way, i.e., 2710231253284 + 1178657635600 = 1646278^2 + 1085660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888888888883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486111111107 + ... + 486111111114.

It is an arithmetic number, because the mean of its divisors is an integer number (1134259259259).

Almost surely, 2^{3888888888884} is an apocalyptic number.

It is an amenable number.

3888888888884 is a deficient number, since it is larger than the sum of its proper divisors (2916666666670).

3888888888884 is a wasteful number, since it uses less digits than its factorization.

3888888888884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972222222225 (or 972222222223 counting only the distinct ones).

The product of its digits is 103079215104, while the sum is 95.

Subtracting 3888888888884 from its reverse (4888888888883), we obtain a palindrome (999999999999).

The spelling of 3888888888884 in words is "three trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-four".