28088003 has 2 divisors, whose sum is σ = 28088004. Its totient is φ = 28088002.

The previous prime is 28087973. The next prime is 28088009. The reversal of 28088003 is 30088082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28088003 - 2²² = 23893699 is a prime.

It is not a weakly prime, because it can be changed into another prime (28088009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044001 + 14044002.

It is an arithmetic number, because the mean of its divisors is an integer number (14044002).

Almost surely, 2^28088003 is an apocalyptic number.

28088003 is a deficient number, since it is larger than the sum of its proper divisors (1).

28088003 is an equidigital number, since it uses as much as digits as its factorization.

28088003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 28088003 is about 5299.8116004251. The cubic root of 28088003 is about 303.9766941679.

The spelling of 28088003 in words is "twenty-eight million, eighty-eight thousand, three".