28325357588 has 12 divisors (see below), whose sum is σ = 54075682752. Its totient is φ = 12875162520.

The previous prime is 28325357573. The next prime is 28325357609. The reversal of 28325357588 is 88575352382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321879020 + ... + 321879107.

It is an arithmetic number, because the mean of its divisors is an integer number (4506306896).

Almost surely, 2^28325357588 is an apocalyptic number.

It is an amenable number.

28325357588 is a deficient number, since it is larger than the sum of its proper divisors (25750325164).

28325357588 is a wasteful number, since it uses less digits than its factorization.

28325357588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643758142 (or 643758140 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 56.

The spelling of 28325357588 in words is "twenty-eight billion, three hundred twenty-five million, three hundred fifty-seven thousand, five hundred eighty-eight".