871748459 has 2 divisors, whose sum is σ = 871748460. Its totient is φ = 871748458.

The previous prime is 871748441. The next prime is 871748533. The reversal of 871748459 is 954847178.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 871748459 - 2²⁸ = 603313003 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 871748459.

It is not a weakly prime, because it can be changed into another prime (871748959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435874229 + 435874230.

It is an arithmetic number, because the mean of its divisors is an integer number (435874230).

Almost surely, 2^871748459 is an apocalyptic number.

871748459 is a deficient number, since it is larger than the sum of its proper divisors (1).

871748459 is an equidigital number, since it uses as much as digits as its factorization.

871748459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 53.

The square root of 871748459 is about 29525.3866867142. The cubic root of 871748459 is about 955.2793638265.

The spelling of 871748459 in words is "eight hundred seventy-one million, seven hundred forty-eight thousand, four hundred fifty-nine".