28305082168005 has 16 divisors (see below), whose sum is σ = 47257180663680. Its totient is φ = 14439694091328.

The previous prime is 28305082168001. The next prime is 28305082168141. The reversal of 28305082168005 is 50086128050382.

It is not a de Polignac number, because 28305082168005 - 2² = 28305082168001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28305082168001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41021857870 + ... + 41021858559.

It is an arithmetic number, because the mean of its divisors is an integer number (2953573791480).

Almost surely, 2^{28305082168005} is an apocalyptic number.

It is an amenable number.

28305082168005 is a deficient number, since it is larger than the sum of its proper divisors (18952098495675).

28305082168005 is a wasteful number, since it uses less digits than its factorization.

28305082168005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82043716460.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 28305082168005 in words is "twenty-eight trillion, three hundred five billion, eighty-two million, one hundred sixty-eight thousand, five".