388699390968 has 64 divisors (see below), whose sum is σ = 1133234400000. Its totient is φ = 111056966496.

The previous prime is 388699390967. The next prime is 388699390973. The reversal of 388699390968 is 869093996883.

It is a junction number, because it is equal to n+sod(n) for n = 388699390893 and 388699390902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388699390967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23600818 + ... + 23617281.

It is an arithmetic number, because the mean of its divisors is an integer number (17706787500).

Almost surely, 2^388699390968 is an apocalyptic number.

It is an amenable number.

388699390968 is an abundant number, since it is smaller than the sum of its proper divisors (744535009032).

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

388699390968 is a wasteful number, since it uses less digits than its factorization.

388699390968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47218129 (or 47218111 counting only the distinct ones).

The product of its (nonzero) digits is 1088391168, while the sum is 78.

The spelling of 388699390968 in words is "three hundred eighty-eight billion, six hundred ninety-nine million, three hundred ninety thousand, nine hundred sixty-eight".