3988353644688 has 40 divisors (see below), whose sum is σ = 11775139332928. Its totient is φ = 1139529612672.

The previous prime is 3988353644687. The next prime is 3988353644719. The reversal of 3988353644688 is 8864463538893.

It is not an unprimeable number, because it can be changed into a prime (3988353644687) 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 7 ways as a sum of consecutive naturals, for example, 5935049731 + ... + 5935050402.

Almost surely, 2^{3988353644688} is an apocalyptic number.

It is an amenable number.

3988353644688 is an abundant number, since it is smaller than the sum of its proper divisors (7786785688240).

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

3988353644688 is a wasteful number, since it uses less digits than its factorization.

3988353644688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11870100151 (or 11870100145 counting only the distinct ones).

The product of its digits is 2866544640, while the sum is 75.

The spelling of 3988353644688 in words is "three trillion, nine hundred eighty-eight billion, three hundred fifty-three million, six hundred forty-four thousand, six hundred eighty-eight".