804210427 has 2 divisors, whose sum is σ = 804210428. Its totient is φ = 804210426.

The previous prime is 804210419. The next prime is 804210437. The reversal of 804210427 is 724012408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804210427 - 2³ = 804210419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804210395 and 804210404.

It is not a weakly prime, because it can be changed into another prime (804210437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402105213 + 402105214.

It is an arithmetic number, because the mean of its divisors is an integer number (402105214).

Almost surely, 2^804210427 is an apocalyptic number.

804210427 is a deficient number, since it is larger than the sum of its proper divisors (1).

804210427 is an equidigital number, since it uses as much as digits as its factorization.

804210427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 804210427 is about 28358.6041088062. The cubic root of 804210427 is about 929.9435071862.

The spelling of 804210427 in words is "eight hundred four million, two hundred ten thousand, four hundred twenty-seven".