388661984752 has 20 divisors (see below), whose sum is σ = 755307628696. Its totient is φ = 193743887040.

The previous prime is 388661984693. The next prime is 388661984759. The reversal of 388661984752 is 257489166883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388661984759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36688623 + ... + 36699214.

Almost surely, 2^388661984752 is an apocalyptic number.

It is an amenable number.

388661984752 is a deficient number, since it is larger than the sum of its proper divisors (366645643944).

388661984752 is a wasteful number, since it uses less digits than its factorization.

388661984752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73388176 (or 73388170 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 67.

The spelling of 388661984752 in words is "three hundred eighty-eight billion, six hundred sixty-one million, nine hundred eighty-four thousand, seven hundred fifty-two".