487583947 has 4 divisors (see below), whose sum is σ = 513246280. Its totient is φ = 461921616.

The previous prime is 487583939. The next prime is 487583951. The reversal of 487583947 is 749385784.

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

It is not a de Polignac number, because 487583947 - 2³ = 487583939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487583147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12831138 + ... + 12831175.

It is an arithmetic number, because the mean of its divisors is an integer number (128311570).

Almost surely, 2^487583947 is an apocalyptic number.

487583947 is a deficient number, since it is larger than the sum of its proper divisors (25662333).

487583947 is a wasteful number, since it uses less digits than its factorization.

487583947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25662332.

The product of its digits is 6773760, while the sum is 55.

The square root of 487583947 is about 22081.3031091917. The cubic root of 487583947 is about 787.0756310022.

The spelling of 487583947 in words is "four hundred eighty-seven million, five hundred eighty-three thousand, nine hundred forty-seven".