487699647 has 4 divisors (see below), whose sum is σ = 650266200. Its totient is φ = 325133096.

The previous prime is 487699637. The next prime is 487699651. The reversal of 487699647 is 746996784.

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 487699647 - 2⁴ = 487699631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487699637) 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, 81283272 + ... + 81283277.

It is an arithmetic number, because the mean of its divisors is an integer number (162566550).

Almost surely, 2^487699647 is an apocalyptic number.

487699647 is a deficient number, since it is larger than the sum of its proper divisors (162566553).

487699647 is a wasteful number, since it uses less digits than its factorization.

487699647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162566552.

The product of its digits is 18289152, while the sum is 60.

The square root of 487699647 is about 22083.9228172895. The cubic root of 487699647 is about 787.1378817859.

The spelling of 487699647 in words is "four hundred eighty-seven million, six hundred ninety-nine thousand, six hundred forty-seven".