487821409605 has 16 divisors (see below), whose sum is σ = 867238061760. Its totient is φ = 260171418384.

The previous prime is 487821409583. The next prime is 487821409613. The reversal of 487821409605 is 506904128784.

It is a happy number.

487821409605 is a `hidden beast` number, since 4 + 8 + 7 + 8 + 21 + 4 + 0 + 9 + 605 = 666.

It is not a de Polignac number, because 487821409605 - 2⁹ = 487821409093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1806745827 + ... + 1806746096.

It is an arithmetic number, because the mean of its divisors is an integer number (54202378860).

Almost surely, 2^487821409605 is an apocalyptic number.

487821409605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487821409605 is a deficient number, since it is larger than the sum of its proper divisors (379416652155).

487821409605 is a wasteful number, since it uses less digits than its factorization.

487821409605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613491937 (or 3613491931 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 487821409605 in words is "four hundred eighty-seven billion, eight hundred twenty-one million, four hundred nine thousand, six hundred five".