487643659776 has 1120 divisors, whose sum is σ = 1840904049600. Its totient is φ = 128170377216.

The previous prime is 487643659739. The next prime is 487643659823. The reversal of 487643659776 is 677956346784.

487643659776 is a `hidden beast` number, since 4 + 8 + 76 + 436 + 59 + 7 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1664312686 + ... + 1664312978.

It is an arithmetic number, because the mean of its divisors is an integer number (1643664330).

Almost surely, 2^487643659776 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 487643659776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920452024800).

487643659776 is an abundant number, since it is smaller than the sum of its proper divisors (1353260389824).

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

487643659776 is an frugal number, since it uses more digits than its factorization.

487643659776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 318 counting only the distinct ones).

The product of its digits is 1280240640, while the sum is 72.

The spelling of 487643659776 in words is "four hundred eighty-seven billion, six hundred forty-three million, six hundred fifty-nine thousand, seven hundred seventy-six".