28965707 has 2 divisors, whose sum is σ = 28965708. Its totient is φ = 28965706.

The previous prime is 28965691. The next prime is 28965731. The reversal of 28965707 is 70756982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28965707 - 2⁴ = 28965691 is a prime.

It is not a weakly prime, because it can be changed into another prime (28965737) 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, 14482853 + 14482854.

It is an arithmetic number, because the mean of its divisors is an integer number (14482854).

Almost surely, 2^28965707 is an apocalyptic number.

28965707 is a deficient number, since it is larger than the sum of its proper divisors (1).

28965707 is an equidigital number, since it uses as much as digits as its factorization.

28965707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 28965707 is about 5381.9798401703. The cubic root of 28965707 is about 307.1105325481.

The spelling of 28965707 in words is "twenty-eight million, nine hundred sixty-five thousand, seven hundred seven".