28616267 has 2 divisors, whose sum is σ = 28616268. Its totient is φ = 28616266.

The previous prime is 28616213. The next prime is 28616309. The reversal of 28616267 is 76261682.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28616267 - 2²² = 24421963 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28616267.

It is not a weakly prime, because it can be changed into another prime (28616167) 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, 14308133 + 14308134.

It is an arithmetic number, because the mean of its divisors is an integer number (14308134).

Almost surely, 2^28616267 is an apocalyptic number.

28616267 is a deficient number, since it is larger than the sum of its proper divisors (1).

28616267 is an equidigital number, since it uses as much as digits as its factorization.

28616267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 28616267 is about 5349.4174449187. The cubic root of 28616267 is about 305.8705470056.

The spelling of 28616267 in words is "twenty-eight million, six hundred sixteen thousand, two hundred sixty-seven".