871648711 has 2 divisors, whose sum is σ = 871648712. Its totient is φ = 871648710.

The previous prime is 871648681. The next prime is 871648721. The reversal of 871648711 is 117846178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 871648711 - 2²⁹ = 334777799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871648721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435824355 + 435824356.

It is an arithmetic number, because the mean of its divisors is an integer number (435824356).

Almost surely, 2^871648711 is an apocalyptic number.

871648711 is a deficient number, since it is larger than the sum of its proper divisors (1).

871648711 is an equidigital number, since it uses as much as digits as its factorization.

871648711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 43.

The square root of 871648711 is about 29523.6974479824. The cubic root of 871648711 is about 955.2429271536.

The spelling of 871648711 in words is "eight hundred seventy-one million, six hundred forty-eight thousand, seven hundred eleven".