28280599 has 2 divisors, whose sum is σ = 28280600. Its totient is φ = 28280598.

The previous prime is 28280573. The next prime is 28280621. The reversal of 28280599 is 99508282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28280599 - 2⁷ = 28280471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28280999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14140299 + 14140300.

It is an arithmetic number, because the mean of its divisors is an integer number (14140300).

Almost surely, 2^28280599 is an apocalyptic number.

28280599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28280599 is an equidigital number, since it uses as much as digits as its factorization.

28280599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 28280599 is about 5317.9506391090. The cubic root of 28280599 is about 304.6698891894.

The spelling of 28280599 in words is "twenty-eight million, two hundred eighty thousand, five hundred ninety-nine".