28082089373185 has 8 divisors (see below), whose sum is σ = 33764712569640. Its totient is φ = 22421534617344.

The previous prime is 28082089373183. The next prime is 28082089373231. The reversal of 28082089373185 is 58137398028082.

It can be written as a sum of positive squares in 4 ways, for example, as 14779503625744 + 13302585747441 = 3844412^2 + 3647271^2 .

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 28082089373185 - 2¹ = 28082089373183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28082089373183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517107352 + ... + 5517112441.

It is an arithmetic number, because the mean of its divisors is an integer number (4220589071205).

Almost surely, 2^{28082089373185} is an apocalyptic number.

It is an amenable number.

28082089373185 is a deficient number, since it is larger than the sum of its proper divisors (5682623196455).

28082089373185 is a wasteful number, since it uses less digits than its factorization.

28082089373185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11034220307.

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 28082089373185 in words is "twenty-eight trillion, eighty-two billion, eighty-nine million, three hundred seventy-three thousand, one hundred eighty-five".