28092871448 has 8 divisors (see below), whose sum is σ = 52674133980. Its totient is φ = 14046435720.

The previous prime is 28092871409. The next prime is 28092871453. The reversal of 28092871448 is 84417829082.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28092871448.

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 as a sum of consecutive naturals, namely, 1755804458 + ... + 1755804473.

Almost surely, 2^28092871448 is an apocalyptic number.

It is an amenable number.

28092871448 is a deficient number, since it is larger than the sum of its proper divisors (24581262532).

28092871448 is a wasteful number, since it uses less digits than its factorization.

28092871448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511608937 (or 3511608933 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 28092871448 in words is "twenty-eight billion, ninety-two million, eight hundred seventy-one thousand, four hundred forty-eight".