28932047541 has 12 divisors (see below), whose sum is σ = 41824755180. Its totient is φ = 19272330240.

The previous prime is 28932047531. The next prime is 28932047569. The reversal of 28932047541 is 14574023982.

28932047541 is a `hidden beast` number, since 2 + 89 + 3 + 20 + 4 + 7 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28659104100 + 272943441 = 169290^2 + 16521^2 .

It is not a de Polignac number, because 28932047541 - 2⁵ = 28932047509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28932047531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1296780 + ... + 1318901.

It is an arithmetic number, because the mean of its divisors is an integer number (3485396265).

Almost surely, 2^28932047541 is an apocalyptic number.

It is an amenable number.

28932047541 is a deficient number, since it is larger than the sum of its proper divisors (12892707639).

28932047541 is a wasteful number, since it uses less digits than its factorization.

28932047541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616916 (or 2616913 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 28932047541 in words is "twenty-eight billion, nine hundred thirty-two million, forty-seven thousand, five hundred forty-one".