487921184384 has 128 divisors (see below), whose sum is σ = 1048173297600. Its totient is φ = 225489567744.

The previous prime is 487921184381. The next prime is 487921184407. The reversal of 487921184384 is 483481129784.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (487921184381) 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, 116809304 + ... + 116813480.

Almost surely, 2^487921184384 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 487921184384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524086648800).

487921184384 is an abundant number, since it is smaller than the sum of its proper divisors (560252113216).

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

487921184384 is a wasteful number, since it uses less digits than its factorization.

487921184384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370 (or 5358 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 59.

The spelling of 487921184384 in words is "four hundred eighty-seven billion, nine hundred twenty-one million, one hundred eighty-four thousand, three hundred eighty-four".