387878904016 has 10 divisors (see below), whose sum is σ = 751515376562. Its totient is φ = 193939452000.

The previous prime is 387878904013. The next prime is 387878904019. The reversal of 387878904016 is 610409878783.

It is an interprime number because it is at equal distance from previous prime (387878904013) and next prime (387878904019).

It can be written as a sum of positive squares in only one way, i.e., 387750308416 + 128595600 = 622696^2 + 11340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387878904013) by changing a digit.

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 as a sum of consecutive naturals, namely, 12121215735 + ... + 12121215766.

Almost surely, 2^387878904016 is an apocalyptic number.

It is an amenable number.

387878904016 is a deficient number, since it is larger than the sum of its proper divisors (363636472546).

387878904016 is a wasteful number, since it uses less digits than its factorization.

387878904016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24242431509 (or 24242431503 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 387878904016 in words is "three hundred eighty-seven billion, eight hundred seventy-eight million, nine hundred four thousand, sixteen".