487209888 has 288 divisors, whose sum is σ = 1611477504. Its totient is φ = 139392000.

The previous prime is 487209887. The next prime is 487209893. The reversal of 487209888 is 888902784.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (487209887) 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 47 ways as a sum of consecutive naturals, for example, 11883148 + ... + 11883188.

It is an arithmetic number, because the mean of its divisors is an integer number (5595408).

Almost surely, 2^487209888 is an apocalyptic number.

487209888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487209888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805738752).

487209888 is an abundant number, since it is smaller than the sum of its proper divisors (1124267616).

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

487209888 is a wasteful number, since it uses less digits than its factorization.

487209888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 487209888 is about 22072.8314450140. The cubic root of 487209888 is about 786.8743063240.

The spelling of 487209888 in words is "four hundred eighty-seven million, two hundred nine thousand, eight hundred eighty-eight".