387934648336 has 45 divisors (see below), whose sum is σ = 768187493661. Its totient is φ = 189783058176.

The previous prime is 387934648313. The next prime is 387934648363. The reversal of 387934648336 is 633846439783.

The square root of 387934648336 is 622844.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 358537488400 + 29397159936 = 598780^2 + 171456^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 117093016 + ... + 117096328.

Almost surely, 2^387934648336 is an apocalyptic number.

387934648336 is the 622844-th square number.

It is an amenable number.

387934648336 is a deficient number, since it is larger than the sum of its proper divisors (380252845325).

387934648336 is an frugal number, since it uses more digits than its factorization.

387934648336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 3362 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 64.

Multiplying 387934648336 by its sum of digits (64), we get a square (24827817493504 = 4982752²).

The spelling of 387934648336 in words is "three hundred eighty-seven billion, nine hundred thirty-four million, six hundred forty-eight thousand, three hundred thirty-six".