487789984 has 24 divisors (see below), whose sum is σ = 1047640608. Its totient is φ = 221722560.

The previous prime is 487789969. The next prime is 487789987. The reversal of 487789984 is 489987784.

It is not an unprimeable number, because it can be changed into a prime (487789987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692532 + ... + 693235.

It is an arithmetic number, because the mean of its divisors is an integer number (43651692).

Almost surely, 2^487789984 is an apocalyptic number.

487789984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

487789984 is an abundant number, since it is smaller than the sum of its proper divisors (559850624).

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

487789984 is a wasteful number, since it uses less digits than its factorization.

487789984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385788 (or 1385780 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 64.

The square root of 487789984 is about 22085.9680340256. The cubic root of 487789984 is about 787.1864795142.

The spelling of 487789984 in words is "four hundred eighty-seven million, seven hundred eighty-nine thousand, nine hundred eighty-four".