871286829349 has 2 divisors, whose sum is σ = 871286829350. Its totient is φ = 871286829348.

The previous prime is 871286829319. The next prime is 871286829373. The reversal of 871286829349 is 943928682178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868983789249 + 2303040100 = 932193^2 + 47990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871286829349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871286829319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435643414674 + 435643414675.

It is an arithmetic number, because the mean of its divisors is an integer number (435643414675).

Almost surely, 2^871286829349 is an apocalyptic number.

It is an amenable number.

871286829349 is a deficient number, since it is larger than the sum of its proper divisors (1).

871286829349 is an equidigital number, since it uses as much as digits as its factorization.

871286829349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83607552, while the sum is 67.

The spelling of 871286829349 in words is "eight hundred seventy-one billion, two hundred eighty-six million, eight hundred twenty-nine thousand, three hundred forty-nine".