28061061184 has 28 divisors (see below), whose sum is σ = 59967029164. Its totient is φ = 12951258624.

The previous prime is 28061061179. The next prime is 28061061199. The reversal of 28061061184 is 48116016082.

It can be written as a sum of positive squares in 2 ways, for example, as 12694979584 + 15366081600 = 112672^2 + 123960^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16862787 + ... + 16864450.

It is an arithmetic number, because the mean of its divisors is an integer number (2141679613).

Almost surely, 2^28061061184 is an apocalyptic number.

It is an amenable number.

28061061184 is an abundant number, since it is smaller than the sum of its proper divisors (31905967980).

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

28061061184 is a wasteful number, since it uses less digits than its factorization.

28061061184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33727262 (or 33727252 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 28061061184 in words is "twenty-eight billion, sixty-one million, sixty-one thousand, one hundred eighty-four".