487644717 has 24 divisors (see below), whose sum is σ = 759199872. Its totient is φ = 277603200.

The previous prime is 487644713. The next prime is 487644761. The reversal of 487644717 is 717446784.

It is not a de Polignac number, because 487644717 - 2² = 487644713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487644713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33717 + ... + 45957.

It is an arithmetic number, because the mean of its divisors is an integer number (31633328).

Almost surely, 2^487644717 is an apocalyptic number.

It is an amenable number.

487644717 is a deficient number, since it is larger than the sum of its proper divisors (271555155).

487644717 is a wasteful number, since it uses less digits than its factorization.

487644717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529 (or 12522 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 48.

The square root of 487644717 is about 22082.6791173535. The cubic root of 487644717 is about 787.1083286873.

The spelling of 487644717 in words is "four hundred eighty-seven million, six hundred forty-four thousand, seven hundred seventeen".