28165883 has 2 divisors, whose sum is σ = 28165884. Its totient is φ = 28165882.

The previous prime is 28165877. The next prime is 28165897. The reversal of 28165883 is 38856182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28165883 - 2⁴ = 28165867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28165883.

It is not a weakly prime, because it can be changed into another prime (28164883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14082941 + 14082942.

It is an arithmetic number, because the mean of its divisors is an integer number (14082942).

Almost surely, 2^28165883 is an apocalyptic number.

28165883 is a deficient number, since it is larger than the sum of its proper divisors (1).

28165883 is an equidigital number, since it uses as much as digits as its factorization.

28165883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The square root of 28165883 is about 5307.1539453835. The cubic root of 28165883 is about 304.2573817203.

The spelling of 28165883 in words is "twenty-eight million, one hundred sixty-five thousand, eight hundred eighty-three".