487648511 has 16 divisors (see below), whose sum is σ = 568980480. Its totient is φ = 409289760.

The previous prime is 487648501. The next prime is 487648523. The reversal of 487648511 is 115846784.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487648511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487648501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109745 + ... + 114101.

It is an arithmetic number, because the mean of its divisors is an integer number (35561280).

Almost surely, 2^487648511 is an apocalyptic number.

487648511 is a deficient number, since it is larger than the sum of its proper divisors (81331969).

487648511 is a wasteful number, since it uses less digits than its factorization.

487648511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694.

The product of its digits is 215040, while the sum is 44.

The square root of 487648511 is about 22082.7650216181. The cubic root of 487648511 is about 787.1103699830.

It can be divided in two parts, 48764 and 8511, that added together give a palindrome (57275).

The spelling of 487648511 in words is "four hundred eighty-seven million, six hundred forty-eight thousand, five hundred eleven".