487771648 has 240 divisors, whose sum is σ = 1309603680. Its totient is φ = 176504832.

The previous prime is 487771643. The next prime is 487771657. The reversal of 487771648 is 846177784.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 487771595 and 487771604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487771643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16819698 + ... + 16819726.

It is an arithmetic number, because the mean of its divisors is an integer number (5456682).

Almost surely, 2^487771648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487771648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654801840).

487771648 is an abundant number, since it is smaller than the sum of its proper divisors (821832032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487771648 is a wasteful number, since it uses less digits than its factorization.

487771648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 70 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 52.

The square root of 487771648 is about 22085.5529249326. The cubic root of 487771648 is about 787.1766159577.

The spelling of 487771648 in words is "four hundred eighty-seven million, seven hundred seventy-one thousand, six hundred forty-eight".