28274699 has 2 divisors, whose sum is σ = 28274700. Its totient is φ = 28274698.

The previous prime is 28274671. The next prime is 28274711. The reversal of 28274699 is 99647282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28274699 - 2⁸ = 28274443 is a prime.

It is not a weakly prime, because it can be changed into another prime (28274669) 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, 14137349 + 14137350.

It is an arithmetic number, because the mean of its divisors is an integer number (14137350).

Almost surely, 2^28274699 is an apocalyptic number.

28274699 is a deficient number, since it is larger than the sum of its proper divisors (1).

28274699 is an equidigital number, since it uses as much as digits as its factorization.

28274699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 28274699 is about 5317.3958852055. The cubic root of 28274699 is about 304.6487006075.

The spelling of 28274699 in words is "twenty-eight million, two hundred seventy-four thousand, six hundred ninety-nine".