487990609 has 4 divisors (see below), whose sum is σ = 509207616. Its totient is φ = 466773604.

The previous prime is 487990603. The next prime is 487990631. The reversal of 487990609 is 906099784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487990609 - 2¹⁹ = 487466321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487990603) 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 3 ways as a sum of consecutive naturals, for example, 10608469 + ... + 10608514.

It is an arithmetic number, because the mean of its divisors is an integer number (127301904).

Almost surely, 2^487990609 is an apocalyptic number.

It is an amenable number.

487990609 is a deficient number, since it is larger than the sum of its proper divisors (21217007).

487990609 is a wasteful number, since it uses less digits than its factorization.

487990609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21217006.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 487990609 is about 22090.5094780541. The cubic root of 487990609 is about 787.2943863633.

The spelling of 487990609 in words is "four hundred eighty-seven million, nine hundred ninety thousand, six hundred nine".