487665789 has 8 divisors (see below), whose sum is σ = 700238112. Its totient is φ = 300102000.

The previous prime is 487665779. The next prime is 487665797. The reversal of 487665789 is 987566784.

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

It is not a de Polignac number, because 487665789 - 2¹⁷ = 487534717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487665779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6252087 + ... + 6252164.

It is an arithmetic number, because the mean of its divisors is an integer number (87529764).

Almost surely, 2^487665789 is an apocalyptic number.

It is an amenable number.

487665789 is a deficient number, since it is larger than the sum of its proper divisors (212572323).

487665789 is a wasteful number, since it uses less digits than its factorization.

487665789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504267.

The product of its digits is 20321280, while the sum is 60.

The square root of 487665789 is about 22083.1562282206. The cubic root of 487665789 is about 787.1196659767.

The spelling of 487665789 in words is "four hundred eighty-seven million, six hundred sixty-five thousand, seven hundred eighty-nine".