387747224747 has 16 divisors (see below), whose sum is σ = 405482844672. Its totient is φ = 370085422080.

The previous prime is 387747224731. The next prime is 387747224759. The reversal of 387747224747 is 747422747783.

It is a cyclic number.

It is not a de Polignac number, because 387747224747 - 2⁴ = 387747224731 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 387747224747.

It is not an unprimeable number, because it can be changed into a prime (387747254747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27518138 + ... + 27532224.

It is an arithmetic number, because the mean of its divisors is an integer number (25342677792).

Almost surely, 2^387747224747 is an apocalyptic number.

387747224747 is a deficient number, since it is larger than the sum of its proper divisors (17735619925).

387747224747 is a wasteful number, since it uses less digits than its factorization.

387747224747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618.

The product of its digits is 103262208, while the sum is 62.

The spelling of 387747224747 in words is "three hundred eighty-seven billion, seven hundred forty-seven million, two hundred twenty-four thousand, seven hundred forty-seven".