387666822256 has 40 divisors (see below), whose sum is σ = 858447136224. Its totient is φ = 166134789120.

The previous prime is 387666822233. The next prime is 387666822281. The reversal of 387666822256 is 652228666783.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 387666822194 and 387666822203.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2587476 + ... + 2733196.

Almost surely, 2^387666822256 is an apocalyptic number.

It is an amenable number.

387666822256 is an abundant number, since it is smaller than the sum of its proper divisors (470780313968).

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

387666822256 is a wasteful number, since it uses less digits than its factorization.

387666822256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169489 (or 169483 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 61.

The spelling of 387666822256 in words is "three hundred eighty-seven billion, six hundred sixty-six million, eight hundred twenty-two thousand, two hundred fifty-six".