508732487905 has 16 divisors (see below), whose sum is σ = 646476045264. Its totient is φ = 382994360320.

The previous prime is 508732487903. The next prime is 508732487909. The reversal of 508732487905 is 509784237805.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 95679481041 + 413053006864 = 309321^2 + 642692^2 .

It is not a de Polignac number, because 508732487905 - 2¹ = 508732487903 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 508732487905.

It is not an unprimeable number, because it can be changed into a prime (508732487903) 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, 244149 + ... + 1037821.

It is an arithmetic number, because the mean of its divisors is an integer number (40404752829).

Almost surely, 2^508732487905 is an apocalyptic number.

It is an amenable number.

508732487905 is a deficient number, since it is larger than the sum of its proper divisors (137743557359).

508732487905 is a wasteful number, since it uses less digits than its factorization.

508732487905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801236.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 508732487905 in words is "five hundred eight billion, seven hundred thirty-two million, four hundred eighty-seven thousand, nine hundred five".