28064888 has 8 divisors (see below), whose sum is σ = 52621680. Its totient is φ = 14032440.

The previous prime is 28064879. The next prime is 28064891. The reversal of 28064888 is 88846082.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754048 + ... + 1754063.

It is an arithmetic number, because the mean of its divisors is an integer number (6577710).

Almost surely, 2^28064888 is an apocalyptic number.

It is an amenable number.

28064888 is a deficient number, since it is larger than the sum of its proper divisors (24556792).

28064888 is a wasteful number, since it uses less digits than its factorization.

28064888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508117 (or 3508113 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 28064888 is about 5297.6304136850. The cubic root of 28064888 is about 303.8932854894.

The spelling of 28064888 in words is "twenty-eight million, sixty-four thousand, eight hundred eighty-eight".