804204671 has 2 divisors, whose sum is σ = 804204672. Its totient is φ = 804204670.

The previous prime is 804204589. The next prime is 804204691. The reversal of 804204671 is 176402408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804204671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804204691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402102335 + 402102336.

It is an arithmetic number, because the mean of its divisors is an integer number (402102336).

Almost surely, 2^804204671 is an apocalyptic number.

804204671 is a deficient number, since it is larger than the sum of its proper divisors (1).

804204671 is an equidigital number, since it uses as much as digits as its factorization.

804204671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 804204671 is about 28358.5026226703. The cubic root of 804204671 is about 929.9412885432.

The spelling of 804204671 in words is "eight hundred four million, two hundred four thousand, six hundred seventy-one".