487209687 has 8 divisors (see below), whose sum is σ = 651909504. Its totient is φ = 323658168.

The previous prime is 487209659. The next prime is 487209689. The reversal of 487209687 is 786902784.

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

It is not a de Polignac number, because 487209687 - 2⁷ = 487209559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487209689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286083 + ... + 287780.

It is an arithmetic number, because the mean of its divisors is an integer number (81488688).

Almost surely, 2^487209687 is an apocalyptic number.

487209687 is a deficient number, since it is larger than the sum of its proper divisors (164699817).

487209687 is a wasteful number, since it uses less digits than its factorization.

487209687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574149.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 487209687 is about 22072.8268919049. The cubic root of 487209687 is about 786.8741981148.

The spelling of 487209687 in words is "four hundred eighty-seven million, two hundred nine thousand, six hundred eighty-seven".