28080185333 has 2 divisors, whose sum is σ = 28080185334. Its totient is φ = 28080185332.

The previous prime is 28080185293. The next prime is 28080185461. The reversal of 28080185333 is 33358108082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20597416324 + 7482769009 = 143518^2 + 86503^2 .

It is a cyclic number.

It is not a de Polignac number, because 28080185333 - 2³⁰ = 27006443509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28080185233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040092666 + 14040092667.

It is an arithmetic number, because the mean of its divisors is an integer number (14040092667).

Almost surely, 2^28080185333 is an apocalyptic number.

It is an amenable number.

28080185333 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080185333 is an equidigital number, since it uses as much as digits as its factorization.

28080185333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 28080185333 in words is "twenty-eight billion, eighty million, one hundred eighty-five thousand, three hundred thirty-three".