871430663 has 2 divisors, whose sum is σ = 871430664. Its totient is φ = 871430662.

The previous prime is 871430653. The next prime is 871430669. The reversal of 871430663 is 366034178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871430663 - 2⁸ = 871430407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871430669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435715331 + 435715332.

It is an arithmetic number, because the mean of its divisors is an integer number (435715332).

Almost surely, 2^871430663 is an apocalyptic number.

871430663 is a deficient number, since it is larger than the sum of its proper divisors (1).

871430663 is an equidigital number, since it uses as much as digits as its factorization.

871430663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 871430663 is about 29520.0044546067. The cubic root of 871430663 is about 955.1632673174.

The spelling of 871430663 in words is "eight hundred seventy-one million, four hundred thirty thousand, six hundred sixty-three".