487442089 has 4 divisors (see below), whose sum is σ = 487598224. Its totient is φ = 487285956.

The previous prime is 487442083. The next prime is 487442101. The reversal of 487442089 is 980244784.

It is a happy number.

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 487442089 - 2⁵ = 487442057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487442083) 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, 73287 + ... + 79660.

It is an arithmetic number, because the mean of its divisors is an integer number (121899556).

Almost surely, 2^487442089 is an apocalyptic number.

It is an amenable number.

487442089 is a deficient number, since it is larger than the sum of its proper divisors (156135).

487442089 is a wasteful number, since it uses less digits than its factorization.

487442089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156134.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 487442089 is about 22078.0907009642. The cubic root of 487442089 is about 786.9992928280. Note that the first 3 decimals are identical.

The spelling of 487442089 in words is "four hundred eighty-seven million, four hundred forty-two thousand, eighty-nine".