871044133 has 2 divisors, whose sum is σ = 871044134. Its totient is φ = 871044132.

The previous prime is 871044059. The next prime is 871044137. The reversal of 871044133 is 331440178.

871044133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582112129 + 288932004 = 24127^2 + 16998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871044133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 871044095 and 871044104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871044137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435522066 + 435522067.

It is an arithmetic number, because the mean of its divisors is an integer number (435522067).

Almost surely, 2^871044133 is an apocalyptic number.

It is an amenable number.

871044133 is a deficient number, since it is larger than the sum of its proper divisors (1).

871044133 is an equidigital number, since it uses as much as digits as its factorization.

871044133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 871044133 is about 29513.4568121052. The cubic root of 871044133 is about 955.0220230112.

The spelling of 871044133 in words is "eight hundred seventy-one million, forty-four thousand, one hundred thirty-three".