809036147 has 2 divisors, whose sum is σ = 809036148. Its totient is φ = 809036146.

The previous prime is 809036141. The next prime is 809036167. The reversal of 809036147 is 741630908.

809036147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 809036147 - 2⁸ = 809035891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 809036147.

It is not a weakly prime, because it can be changed into another prime (809036141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404518073 + 404518074.

It is an arithmetic number, because the mean of its divisors is an integer number (404518074).

Almost surely, 2^809036147 is an apocalyptic number.

809036147 is a deficient number, since it is larger than the sum of its proper divisors (1).

809036147 is an equidigital number, since it uses as much as digits as its factorization.

809036147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 809036147 is about 28443.5607299789. The cubic root of 809036147 is about 931.7998623931.

The spelling of 809036147 in words is "eight hundred nine million, thirty-six thousand, one hundred forty-seven".