387355665382 has 16 divisors (see below), whose sum is σ = 664112535840. Its totient is φ = 165991007808.

The previous prime is 387355665379. The next prime is 387355665439. The reversal of 387355665382 is 283566553783.

It is a self number, because there is not a number n which added to its sum of digits gives 387355665382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416873 + ... + 1668004.

It is an arithmetic number, because the mean of its divisors is an integer number (41507033490).

Almost surely, 2^387355665382 is an apocalyptic number.

387355665382 is a deficient number, since it is larger than the sum of its proper divisors (276756870458).

387355665382 is a wasteful number, since it uses less digits than its factorization.

387355665382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093855.

The product of its digits is 108864000, while the sum is 61.

The spelling of 387355665382 in words is "three hundred eighty-seven billion, three hundred fifty-five million, six hundred sixty-five thousand, three hundred eighty-two".