387666822228 has 24 divisors (see below), whose sum is σ = 1033778192832. Its totient is φ = 110761949184.

The previous prime is 387666822217. The next prime is 387666822233. The reversal of 387666822228 is 822228666783.

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, 2307540525 + ... + 2307540692.

It is an arithmetic number, because the mean of its divisors is an integer number (43074091368).

Almost surely, 2^387666822228 is an apocalyptic number.

It is an amenable number.

387666822228 is an abundant number, since it is smaller than the sum of its proper divisors (646111370604).

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

387666822228 is a wasteful number, since it uses less digits than its factorization.

387666822228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615081231 (or 4615081229 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 60.

The spelling of 387666822228 in words is "three hundred eighty-seven billion, six hundred sixty-six million, eight hundred twenty-two thousand, two hundred twenty-eight".