387738242848 has 36 divisors (see below), whose sum is σ = 839064764790. Its totient is φ = 176244654080.

The previous prime is 387738242831. The next prime is 387738242849. The reversal of 387738242848 is 848242837783.

It can be written as a sum of positive squares in only one way, i.e., 359294745744 + 28443497104 = 599412^2 + 168652^2 .

It is a super-2 number, since 2×387738242848² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 387738242848.

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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50065633 + ... + 50073376.

Almost surely, 2^387738242848 is an apocalyptic number.

It is an amenable number.

387738242848 is an abundant number, since it is smaller than the sum of its proper divisors (451326521942).

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

387738242848 is a wasteful number, since it uses less digits than its factorization.

387738242848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100139041 (or 100139022 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 64.

The spelling of 387738242848 in words is "three hundred eighty-seven billion, seven hundred thirty-eight million, two hundred forty-two thousand, eight hundred forty-eight".