28708089160 has 16 divisors (see below), whose sum is σ = 64593200700. Its totient is φ = 11483235648.

The previous prime is 28708089119. The next prime is 28708089167. The reversal of 28708089160 is 6198080782.

It can be written as a sum of positive squares in 2 ways, for example, as 28023429604 + 684659556 = 167402^2 + 26166^2 .

It is not an unprimeable number, because it can be changed into a prime (28708089167) by changing a digit.

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, 358851075 + ... + 358851154.

Almost surely, 2^28708089160 is an apocalyptic number.

28708089160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28708089160 is an abundant number, since it is smaller than the sum of its proper divisors (35885111540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28708089160 is a wasteful number, since it uses less digits than its factorization.

28708089160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717702240 (or 717702236 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 28708089160 in words is "twenty-eight billion, seven hundred eight million, eighty-nine thousand, one hundred sixty".