28114206836 has 12 divisors (see below), whose sum is σ = 50529588228. Its totient is φ = 13677181632.

The previous prime is 28114206829. The next prime is 28114206851. The reversal of 28114206836 is 63860241182.

It can be written as a sum of positive squares in 2 ways, for example, as 26035758736 + 2078448100 = 161356^2 + 45590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28114206793 and 28114206802.

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 3 ways as a sum of consecutive naturals, for example, 94980281 + ... + 94980576.

It is an arithmetic number, because the mean of its divisors is an integer number (4210799019).

Almost surely, 2^28114206836 is an apocalyptic number.

It is an amenable number.

28114206836 is a deficient number, since it is larger than the sum of its proper divisors (22415381392).

28114206836 is a wasteful number, since it uses less digits than its factorization.

28114206836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189960898 (or 189960896 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 28114206836 in words is "twenty-eight billion, one hundred fourteen million, two hundred six thousand, eight hundred thirty-six".