28285425147 has 16 divisors (see below), whose sum is σ = 43217166080. Its totient is φ = 16119762912.

The previous prime is 28285425089. The next prime is 28285425167. The reversal of 28285425147 is 74152458282.

It is not a de Polignac number, because 28285425147 - 2⁶ = 28285425083 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28285425096 and 28285425105.

It is not an unprimeable number, because it can be changed into a prime (28285425167) 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, 1797697 + ... + 1813362.

It is an arithmetic number, because the mean of its divisors is an integer number (2701072880).

Almost surely, 2^28285425147 is an apocalyptic number.

28285425147 is a deficient number, since it is larger than the sum of its proper divisors (14931740933).

28285425147 is a wasteful number, since it uses less digits than its factorization.

28285425147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611442.

The product of its digits is 1433600, while the sum is 48.

The spelling of 28285425147 in words is "twenty-eight billion, two hundred eighty-five million, four hundred twenty-five thousand, one hundred forty-seven".