388275661964 has 12 divisors (see below), whose sum is σ = 715244640600. Its totient is φ = 183920050368.

The previous prime is 388275661931. The next prime is 388275661973. The reversal of 388275661964 is 469166572883.

It is a self number, because there is not a number n which added to its sum of digits gives 388275661964.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554445069 + ... + 2554445220.

It is an arithmetic number, because the mean of its divisors is an integer number (59603720050).

Almost surely, 2^388275661964 is an apocalyptic number.

It is an amenable number.

388275661964 is a deficient number, since it is larger than the sum of its proper divisors (326968978636).

388275661964 is a wasteful number, since it uses less digits than its factorization.

388275661964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108890312 (or 5108890310 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 65.

The spelling of 388275661964 in words is "three hundred eighty-eight billion, two hundred seventy-five million, six hundred sixty-one thousand, nine hundred sixty-four".