804146947 has 2 divisors, whose sum is σ = 804146948. Its totient is φ = 804146946.

The previous prime is 804146927. The next prime is 804146963. The reversal of 804146947 is 749641408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804146947 - 2¹¹ = 804144899 is a prime.

It is not a weakly prime, because it can be changed into another prime (804146927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402073473 + 402073474.

It is an arithmetic number, because the mean of its divisors is an integer number (402073474).

Almost surely, 2^804146947 is an apocalyptic number.

804146947 is a deficient number, since it is larger than the sum of its proper divisors (1).

804146947 is an equidigital number, since it uses as much as digits as its factorization.

804146947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 804146947 is about 28357.4848496830. The cubic root of 804146947 is about 929.9190383137.

The spelling of 804146947 in words is "eight hundred four million, one hundred forty-six thousand, nine hundred forty-seven".