28783099 has 2 divisors, whose sum is σ = 28783100. Its totient is φ = 28783098.

The previous prime is 28783067. The next prime is 28783121. The reversal of 28783099 is 99038782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28783099 - 2⁵ = 28783067 is a prime.

It is not a weakly prime, because it can be changed into another prime (28783019) 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, 14391549 + 14391550.

It is an arithmetic number, because the mean of its divisors is an integer number (14391550).

Almost surely, 2^28783099 is an apocalyptic number.

28783099 is a deficient number, since it is larger than the sum of its proper divisors (1).

28783099 is an equidigital number, since it uses as much as digits as its factorization.

28783099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 28783099 is about 5364.9882572099. The cubic root of 28783099 is about 306.4638010592.

The spelling of 28783099 in words is "twenty-eight million, seven hundred eighty-three thousand, ninety-nine".