28308460852 has 24 divisors (see below), whose sum is σ = 56866348224. Its totient is φ = 12078748992.

The previous prime is 28308460841. The next prime is 28308460861. The reversal of 28308460852 is 25806480382.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2220553 + ... + 2233264.

It is an arithmetic number, because the mean of its divisors is an integer number (2369431176).

Almost surely, 2^28308460852 is an apocalyptic number.

It is an amenable number.

28308460852 is an abundant number, since it is smaller than the sum of its proper divisors (28557887372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28308460852 is a wasteful number, since it uses less digits than its factorization.

28308460852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454055 (or 4454053 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 28308460852 in words is "twenty-eight billion, three hundred eight million, four hundred sixty thousand, eight hundred fifty-two".