28508245141 has 16 divisors (see below), whose sum is σ = 30042505728. Its totient is φ = 27016401600.

The previous prime is 28508245127. The next prime is 28508245151. The reversal of 28508245141 is 14154280582.

It is a cyclic number.

It is not a de Polignac number, because 28508245141 - 2²⁷ = 28374027413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28508245094 and 28508245103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28508245121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396051 + ... + 462463.

It is an arithmetic number, because the mean of its divisors is an integer number (1877656608).

Almost surely, 2^28508245141 is an apocalyptic number.

It is an amenable number.

28508245141 is a deficient number, since it is larger than the sum of its proper divisors (1534260587).

28508245141 is a wasteful number, since it uses less digits than its factorization.

28508245141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66732.

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 28508245141 in words is "twenty-eight billion, five hundred eight million, two hundred forty-five thousand, one hundred forty-one".