28075699 has 2 divisors, whose sum is σ = 28075700. Its totient is φ = 28075698.

The previous prime is 28075669. The next prime is 28075703. The reversal of 28075699 is 99657082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28075699 - 2¹¹ = 28073651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28075669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14037849 + 14037850.

It is an arithmetic number, because the mean of its divisors is an integer number (14037850).

Almost surely, 2^28075699 is an apocalyptic number.

28075699 is a deficient number, since it is larger than the sum of its proper divisors (1).

28075699 is an equidigital number, since it uses as much as digits as its factorization.

28075699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 28075699 is about 5298.6506772951. The cubic root of 28075699 is about 303.9323018401.

The spelling of 28075699 in words is "twenty-eight million, seventy-five thousand, six hundred ninety-nine".