871913941 has 2 divisors, whose sum is σ = 871913942. Its totient is φ = 871913940.

The previous prime is 871913869. The next prime is 871913953. The reversal of 871913941 is 149319178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568631716 + 303282225 = 23846^2 + 17415^2 .

It is a cyclic number.

It is not a de Polignac number, because 871913941 - 2⁹ = 871913429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871913041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435956970 + 435956971.

It is an arithmetic number, because the mean of its divisors is an integer number (435956971).

Almost surely, 2^871913941 is an apocalyptic number.

It is an amenable number.

871913941 is a deficient number, since it is larger than the sum of its proper divisors (1).

871913941 is an equidigital number, since it uses as much as digits as its factorization.

871913941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 871913941 is about 29528.1889217744. The cubic root of 871913941 is about 955.3398061619.

The spelling of 871913941 in words is "eight hundred seventy-one million, nine hundred thirteen thousand, nine hundred forty-one".