871404269 has 2 divisors, whose sum is σ = 871404270. Its totient is φ = 871404268.

The previous prime is 871404263. The next prime is 871404319. The reversal of 871404269 is 962404178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784728169 + 86676100 = 28013^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 871404269 - 2²⁸ = 602968813 is a prime.

It is a super-2 number, since 2×871404269² = 1518690800062848722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871404263) 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, 435702134 + 435702135.

It is an arithmetic number, because the mean of its divisors is an integer number (435702135).

Almost surely, 2^871404269 is an apocalyptic number.

It is an amenable number.

871404269 is a deficient number, since it is larger than the sum of its proper divisors (1).

871404269 is an equidigital number, since it uses as much as digits as its factorization.

871404269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 871404269 is about 29519.5573984435. The cubic root of 871404269 is about 955.1536238523.

Subtracting 871404269 from its reverse (962404178), we obtain a palindrome (90999909).

The spelling of 871404269 in words is "eight hundred seventy-one million, four hundred four thousand, two hundred sixty-nine".