28022825547 has 6 divisors (see below), whose sum is σ = 40477414692. Its totient is φ = 18681883692.

The previous prime is 28022825539. The next prime is 28022825561. The reversal of 28022825547 is 74552822082.

28022825547 is a `hidden beast` number, since 2 + 8 + 0 + 22 + 82 + 5 + 547 = 666.

It is not a de Polignac number, because 28022825547 - 2³ = 28022825539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28022825527) 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, 1556823633 + ... + 1556823650.

It is an arithmetic number, because the mean of its divisors is an integer number (6746235782).

Almost surely, 2^28022825547 is an apocalyptic number.

28022825547 is a deficient number, since it is larger than the sum of its proper divisors (12454589145).

28022825547 is a wasteful number, since it uses less digits than its factorization.

28022825547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113647289 (or 3113647286 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 28022825547 in words is "twenty-eight billion, twenty-two million, eight hundred twenty-five thousand, five hundred forty-seven".