487774781903 has 16 divisors (see below), whose sum is σ = 508943917440. Its totient is φ = 467165884416.

The previous prime is 487774781849. The next prime is 487774781909. The reversal of 487774781903 is 309187477784.

It is a cyclic number.

It is not a de Polignac number, because 487774781903 - 2⁸ = 487774781647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487774781903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487774781909) 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, 195326 + ... + 1006827.

It is an arithmetic number, because the mean of its divisors is an integer number (31808994840).

Almost surely, 2^487774781903 is an apocalyptic number.

487774781903 is a deficient number, since it is larger than the sum of its proper divisors (21169135537).

487774781903 is a wasteful number, since it uses less digits than its factorization.

487774781903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202386.

The product of its (nonzero) digits is 66382848, while the sum is 65.

The spelling of 487774781903 in words is "four hundred eighty-seven billion, seven hundred seventy-four million, seven hundred eighty-one thousand, nine hundred three".