28108164886 has 16 divisors (see below), whose sum is σ = 42600135600. Its totient is φ = 13908498688.

The previous prime is 28108164869. The next prime is 28108164893. The reversal of 28108164886 is 68846180182.

28108164886 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54570 + ... + 243298.

It is an arithmetic number, because the mean of its divisors is an integer number (2662508475).

Almost surely, 2^28108164886 is an apocalyptic number.

28108164886 is a deficient number, since it is larger than the sum of its proper divisors (14491970714).

28108164886 is a wasteful number, since it uses less digits than its factorization.

28108164886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189503.

The product of its (nonzero) digits is 1179648, while the sum is 52.

The spelling of 28108164886 in words is "twenty-eight billion, one hundred eight million, one hundred sixty-four thousand, eight hundred eighty-six".