871058385797 has 2 divisors, whose sum is σ = 871058385798. Its totient is φ = 871058385796.

The previous prime is 871058385793. The next prime is 871058385811. The reversal of 871058385797 is 797583850178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471146332801 + 399912052996 = 686401^2 + 632386^2 .

It is a cyclic number.

It is not a de Polignac number, because 871058385797 - 2² = 871058385793 is a prime.

It is a super-2 number, since 2×871058385797² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871058385793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435529192898 + 435529192899.

It is an arithmetic number, because the mean of its divisors is an integer number (435529192899).

Almost surely, 2^871058385797 is an apocalyptic number.

It is an amenable number.

871058385797 is a deficient number, since it is larger than the sum of its proper divisors (1).

871058385797 is an equidigital number, since it uses as much as digits as its factorization.

871058385797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118540800, while the sum is 68.

The spelling of 871058385797 in words is "eight hundred seventy-one billion, fifty-eight million, three hundred eighty-five thousand, seven hundred ninety-seven".