28099067 has 2 divisors, whose sum is σ = 28099068. Its totient is φ = 28099066.

The previous prime is 28099039. The next prime is 28099117. The reversal of 28099067 is 76099082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28099067 - 2¹² = 28094971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28099367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14049533 + 14049534.

It is an arithmetic number, because the mean of its divisors is an integer number (14049534).

Almost surely, 2^28099067 is an apocalyptic number.

28099067 is a deficient number, since it is larger than the sum of its proper divisors (1).

28099067 is an equidigital number, since it uses as much as digits as its factorization.

28099067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 28099067 is about 5300.8553083441. The cubic root of 28099067 is about 304.0166015576.

The spelling of 28099067 in words is "twenty-eight million, ninety-nine thousand, sixty-seven".