28965767 has 2 divisors, whose sum is σ = 28965768. Its totient is φ = 28965766.

The previous prime is 28965737. The next prime is 28965791. The reversal of 28965767 is 76756982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28965767 - 2⁸ = 28965511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28965707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14482883 + 14482884.

It is an arithmetic number, because the mean of its divisors is an integer number (14482884).

Almost surely, 2^28965767 is an apocalyptic number.

28965767 is a deficient number, since it is larger than the sum of its proper divisors (1).

28965767 is an equidigital number, since it uses as much as digits as its factorization.

28965767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 50.

The square root of 28965767 is about 5381.9854143243. The cubic root of 28965767 is about 307.1107445991.

The spelling of 28965767 in words is "twenty-eight million, nine hundred sixty-five thousand, seven hundred sixty-seven".