871342773057 has 6 divisors (see below), whose sum is σ = 1258606227762. Its totient is φ = 580895182032.

The previous prime is 871342773013. The next prime is 871342773071. The reversal of 871342773057 is 750377243178.

It can be written as a sum of positive squares in only one way, i.e., 630537636096 + 240805136961 = 794064^2 + 490719^2 .

It is not a de Polignac number, because 871342773057 - 2⁸ = 871342772801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 871342772994 and 871342773012.

It is not an unprimeable number, because it can be changed into a prime (871342773557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48407931828 + ... + 48407931845.

It is an arithmetic number, because the mean of its divisors is an integer number (209767704627).

Almost surely, 2^871342773057 is an apocalyptic number.

It is an amenable number.

871342773057 is a deficient number, since it is larger than the sum of its proper divisors (387263454705).

871342773057 is a wasteful number, since it uses less digits than its factorization.

871342773057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96815863679 (or 96815863676 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 54.

The spelling of 871342773057 in words is "eight hundred seventy-one billion, three hundred forty-two million, seven hundred seventy-three thousand, fifty-seven".