487439885 has 8 divisors (see below), whose sum is σ = 585265560. Its totient is φ = 389726784.

The previous prime is 487439809. The next prime is 487439893. The reversal of 487439885 is 588934784.

It can be written as a sum of positive squares in 4 ways, for example, as 97495876 + 389944009 = 9874^2 + 19747^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 487439885 - 2²⁰ = 486391309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487439885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18302 + ... + 36191.

It is an arithmetic number, because the mean of its divisors is an integer number (73158195).

Almost surely, 2^487439885 is an apocalyptic number.

It is an amenable number.

487439885 is a deficient number, since it is larger than the sum of its proper divisors (97825675).

487439885 is a wasteful number, since it uses less digits than its factorization.

487439885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56287.

The product of its digits is 7741440, while the sum is 56.

The square root of 487439885 is about 22078.0407871713. The cubic root of 487439885 is about 786.9981066707.

The spelling of 487439885 in words is "four hundred eighty-seven million, four hundred thirty-nine thousand, eight hundred eighty-five".