28965394307 has 2 divisors, whose sum is σ = 28965394308. Its totient is φ = 28965394306.

The previous prime is 28965394247. The next prime is 28965394397. The reversal of 28965394307 is 70349356982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28965394307 - 2⁶ = 28965394243 is a prime.

It is not a weakly prime, because it can be changed into another prime (28965394397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14482697153 + 14482697154.

It is an arithmetic number, because the mean of its divisors is an integer number (14482697154).

Almost surely, 2^28965394307 is an apocalyptic number.

28965394307 is a deficient number, since it is larger than the sum of its proper divisors (1).

28965394307 is an equidigital number, since it uses as much as digits as its factorization.

28965394307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 28965394307 in words is "twenty-eight billion, nine hundred sixty-five million, three hundred ninety-four thousand, three hundred seven".