387558384648 has 128 divisors (see below), whose sum is σ = 1004900843520. Its totient is φ = 124473162240.

The previous prime is 387558384617. The next prime is 387558384649. The reversal of 387558384648 is 846483855783.

It is not an unprimeable number, because it can be changed into a prime (387558384649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27860911 + ... + 27874817.

It is an arithmetic number, because the mean of its divisors is an integer number (7850787840).

Almost surely, 2^387558384648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387558384648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502450421760).

387558384648 is an abundant number, since it is smaller than the sum of its proper divisors (617342458872).

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

387558384648 is a wasteful number, since it uses less digits than its factorization.

387558384648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14307 (or 14303 counting only the distinct ones).

The product of its digits is 619315200, while the sum is 69.

The spelling of 387558384648 in words is "three hundred eighty-seven billion, five hundred fifty-eight million, three hundred eighty-four thousand, six hundred forty-eight".