28755504164 has 6 divisors (see below), whose sum is σ = 50322132294. Its totient is φ = 14377752080.

The previous prime is 28755504157. The next prime is 28755504223. The reversal of 28755504164 is 46140555782.

It can be written as a sum of positive squares in only one way, i.e., 28092441664 + 663062500 = 167608^2 + 25750^2 .

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, 3594438017 + ... + 3594438024.

It is an arithmetic number, because the mean of its divisors is an integer number (8387022049).

Almost surely, 2^28755504164 is an apocalyptic number.

It is an amenable number.

28755504164 is a deficient number, since it is larger than the sum of its proper divisors (21566628130).

28755504164 is a wasteful number, since it uses less digits than its factorization.

28755504164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188876045 (or 7188876043 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 28755504164 in words is "twenty-eight billion, seven hundred fifty-five million, five hundred four thousand, one hundred sixty-four".