28036667 has 2 divisors, whose sum is σ = 28036668. Its totient is φ = 28036666.

The previous prime is 28036643. The next prime is 28036669. The reversal of 28036667 is 76663082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28036667 - 2¹⁶ = 27971131 is a prime.

Together with 28036669, it forms a pair of twin primes.

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 28036667.

It is not a weakly prime, because it can be changed into another prime (28036669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14018333 + 14018334.

It is an arithmetic number, because the mean of its divisors is an integer number (14018334).

Almost surely, 2^28036667 is an apocalyptic number.

28036667 is a deficient number, since it is larger than the sum of its proper divisors (1).

28036667 is an equidigital number, since it uses as much as digits as its factorization.

28036667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 28036667 is about 5294.9661944152. The cubic root of 28036667 is about 303.7913900933.

The spelling of 28036667 in words is "twenty-eight million, thirty-six thousand, six hundred sixty-seven".