487869569 has 8 divisors (see below), whose sum is σ = 532434720. Its totient is φ = 443340000.

The previous prime is 487869559. The next prime is 487869623. The reversal of 487869569 is 965968784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487869569 - 2⁸ = 487869313 is a prime.

It is a super-3 number, since 3×487869569³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (487869509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25622 + ... + 40400.

It is an arithmetic number, because the mean of its divisors is an integer number (66554340).

Almost surely, 2^487869569 is an apocalyptic number.

It is an amenable number.

487869569 is a deficient number, since it is larger than the sum of its proper divisors (44565151).

487869569 is a wasteful number, since it uses less digits than its factorization.

487869569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791.

The product of its digits is 26127360, while the sum is 62.

The square root of 487869569 is about 22087.7696701138. The cubic root of 487869569 is about 787.2292881212.

It can be divided in two parts, 4878 and 69569, that added together give a palindrome (74447).

The spelling of 487869569 in words is "four hundred eighty-seven million, eight hundred sixty-nine thousand, five hundred sixty-nine".