28329127 has 2 divisors, whose sum is σ = 28329128. Its totient is φ = 28329126.

The previous prime is 28329079. The next prime is 28329137. The reversal of 28329127 is 72192382.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28329127 is a prime.

It is equal to p_1760686 and since 28329127 and 1760686 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 28329092 and 28329101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28329137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164563 + 14164564.

It is an arithmetic number, because the mean of its divisors is an integer number (14164564).

Almost surely, 2^28329127 is an apocalyptic number.

28329127 is a deficient number, since it is larger than the sum of its proper divisors (1).

28329127 is an equidigital number, since it uses as much as digits as its factorization.

28329127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 28329127 is about 5322.5113433416. The cubic root of 28329127 is about 304.8440553692.

The spelling of 28329127 in words is "twenty-eight million, three hundred twenty-nine thousand, one hundred twenty-seven".