28336111767845 has 8 divisors (see below), whose sum is σ = 38860953281664. Its totient is φ = 19430476640784.

The previous prime is 28336111767781. The next prime is 28336111767851. The reversal of 28336111767845 is 54876711163382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28336111767845 - 2⁶ = 28336111767781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404801596649 + ... + 404801596718.

It is an arithmetic number, because the mean of its divisors is an integer number (4857619160208).

Almost surely, 2^{28336111767845} is an apocalyptic number.

It is an amenable number.

28336111767845 is a deficient number, since it is larger than the sum of its proper divisors (10524841513819).

28336111767845 is an equidigital number, since it uses as much as digits as its factorization.

28336111767845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809603193379.

The product of its digits is 40642560, while the sum is 62.

The spelling of 28336111767845 in words is "twenty-eight trillion, three hundred thirty-six billion, one hundred eleven million, seven hundred sixty-seven thousand, eight hundred forty-five".