27482728473 has 6 divisors (see below), whose sum is σ = 39697274474. Its totient is φ = 18321818976.

The previous prime is 27482728453. The next prime is 27482728517. The reversal of 27482728473 is 37482728472.

27482728473 is a `hidden beast` number, since 2 + 74 + 82 + 7 + 28 + 473 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17703100809 + 9779627664 = 133053^2 + 98892^2 .

It is not a de Polignac number, because 27482728473 - 2²⁵ = 27449174041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27482728423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1526818240 + ... + 1526818257.

Almost surely, 2^27482728473 is an apocalyptic number.

It is an amenable number.

27482728473 is a deficient number, since it is larger than the sum of its proper divisors (12214546001).

27482728473 is a wasteful number, since it uses less digits than its factorization.

27482728473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053636503 (or 3053636500 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 54.

Subtracting 27482728473 from its reverse (37482728472), we obtain a palindrome (9999999999).

The spelling of 27482728473 in words is "twenty-seven billion, four hundred eighty-two million, seven hundred twenty-eight thousand, four hundred seventy-three".