487173587 has 4 divisors (see below), whose sum is σ = 502888896. Its totient is φ = 471458280.

The previous prime is 487173559. The next prime is 487173611. The reversal of 487173587 is 785371784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487173587 - 2¹⁰ = 487172563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487173527) 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, 7857608 + ... + 7857669.

It is an arithmetic number, because the mean of its divisors is an integer number (125722224).

Almost surely, 2^487173587 is an apocalyptic number.

487173587 is a deficient number, since it is larger than the sum of its proper divisors (15715309).

487173587 is a wasteful number, since it uses less digits than its factorization.

487173587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715308.

The product of its digits is 1317120, while the sum is 50.

The square root of 487173587 is about 22072.0091292116. The cubic root of 487173587 is about 786.8547630468.

The spelling of 487173587 in words is "four hundred eighty-seven million, one hundred seventy-three thousand, five hundred eighty-seven".