387744056747 has 8 divisors (see below), whose sum is σ = 395211545280. Its totient is φ = 380282181760.

The previous prime is 387744056729. The next prime is 387744056753. The reversal of 387744056747 is 747650447783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387744056747 - 2⁶ = 387744056683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387744056747.

It is not an unprimeable number, because it can be changed into a prime (387744055747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263779 + ... + 1540332.

It is an arithmetic number, because the mean of its divisors is an integer number (49401443160).

Almost surely, 2^387744056747 is an apocalyptic number.

387744056747 is a deficient number, since it is larger than the sum of its proper divisors (7467488533).

387744056747 is a wasteful number, since it uses less digits than its factorization.

387744056747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806773.

The product of its (nonzero) digits is 110638080, while the sum is 62.

The spelling of 387744056747 in words is "three hundred eighty-seven billion, seven hundred forty-four million, fifty-six thousand, seven hundred forty-seven".