387738242847 has 24 divisors (see below), whose sum is σ = 580986806400. Its totient is φ = 258413272920.

The previous prime is 387738242831. The next prime is 387738242849. The reversal of 387738242847 is 748242837783.

It is a happy number.

387738242847 is a `hidden beast` number, since 387 + 7 + 3 + 8 + 242 + 8 + 4 + 7 = 666.

It is not a de Polignac number, because 387738242847 - 2⁴ = 387738242831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387738242849) 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 in 23 ways as a sum of consecutive naturals, for example, 559822 + ... + 1043492.

It is an arithmetic number, because the mean of its divisors is an integer number (24207783600).

Almost surely, 2^387738242847 is an apocalyptic number.

387738242847 is a deficient number, since it is larger than the sum of its proper divisors (193248563553).

387738242847 is an equidigital number, since it uses as much as digits as its factorization.

387738242847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486985 (or 486973 counting only the distinct ones).

The product of its digits is 101154816, while the sum is 63.

The spelling of 387738242847 in words is "three hundred eighty-seven billion, seven hundred thirty-eight million, two hundred forty-two thousand, eight hundred forty-seven".