388052979688 has 32 divisors (see below), whose sum is σ = 840435600960. Its totient is φ = 166011969280.

The previous prime is 388052979683. The next prime is 388052979761. The reversal of 388052979688 is 886979250883.

It is a self number, because there is not a number n which added to its sum of digits gives 388052979688.

It is not an unprimeable number, because it can be changed into a prime (388052979683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129695356 + ... + 129698347.

It is an arithmetic number, because the mean of its divisors is an integer number (26263612530).

Almost surely, 2^388052979688 is an apocalyptic number.

It is an amenable number.

388052979688 is an abundant number, since it is smaller than the sum of its proper divisors (452382621272).

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

388052979688 is a wasteful number, since it uses less digits than its factorization.

388052979688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259393737 (or 259393733 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 73.

The spelling of 388052979688 in words is "three hundred eighty-eight billion, fifty-two million, nine hundred seventy-nine thousand, six hundred eighty-eight".