28708324285611 has 16 divisors (see below), whose sum is σ = 38657029155840. Its totient is φ = 18949253839200.

The previous prime is 28708324285517. The next prime is 28708324285633. The reversal of 28708324285611 is 11658242380782.

It is not a de Polignac number, because 28708324285611 - 2¹⁰ = 28708324284587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28708324285681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59944260 + ... + 60421278.

It is an arithmetic number, because the mean of its divisors is an integer number (2416064322240).

Almost surely, 2^{28708324285611} is an apocalyptic number.

28708324285611 is a deficient number, since it is larger than the sum of its proper divisors (9948704870229).

28708324285611 is a wasteful number, since it uses less digits than its factorization.

28708324285611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675746.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 28708324285611 in words is "twenty-eight trillion, seven hundred eight billion, three hundred twenty-four million, two hundred eighty-five thousand, six hundred eleven".