28360584825 has 48 divisors (see below), whose sum is σ = 48473897472. Its totient is φ = 14616000000.

The previous prime is 28360584823. The next prime is 28360584871. The reversal of 28360584825 is 52848506382.

It is not a de Polignac number, because 28360584825 - 2¹ = 28360584823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28360584823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1621125 + ... + 1638525.

It is an arithmetic number, because the mean of its divisors is an integer number (1009872864).

Almost surely, 2^28360584825 is an apocalyptic number.

28360584825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28360584825 is a deficient number, since it is larger than the sum of its proper divisors (20113312647).

28360584825 is a wasteful number, since it uses less digits than its factorization.

28360584825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146 (or 18141 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 28360584825 in words is "twenty-eight billion, three hundred sixty million, five hundred eighty-four thousand, eight hundred twenty-five".