28367827 has 2 divisors, whose sum is σ = 28367828. Its totient is φ = 28367826.

The previous prime is 28367819. The next prime is 28367839. The reversal of 28367827 is 72876382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28367827 - 2³ = 28367819 is a prime.

It is not a weakly prime, because it can be changed into another prime (28367527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14183913 + 14183914.

It is an arithmetic number, because the mean of its divisors is an integer number (14183914).

Almost surely, 2^28367827 is an apocalyptic number.

28367827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28367827 is an equidigital number, since it uses as much as digits as its factorization.

28367827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 28367827 is about 5326.1456044686. The cubic root of 28367827 is about 304.9828065198.

The spelling of 28367827 in words is "twenty-eight million, three hundred sixty-seven thousand, eight hundred twenty-seven".