871345351217043 has 12 divisors (see below), whose sum is σ = 1258641278908728. Its totient is φ = 580882442126400.

The previous prime is 871345351217041. The next prime is 871345351217087. The reversal of 871345351217043 is 340712153543178.

871345351217043 is a `hidden beast` number, since 8 + 7 + 1 + 3 + 4 + 53 + 512 + 1 + 70 + 4 + 3 = 666.

It is not a de Polignac number, because 871345351217043 - 2¹ = 871345351217041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871345351217041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204508733 + ... + 1205231918.

It is an arithmetic number, because the mean of its divisors is an integer number (104886773242394).

Almost surely, 2^{871345351217043} is an apocalyptic number.

871345351217043 is a deficient number, since it is larger than the sum of its proper divisors (387295927691685).

871345351217043 is a wasteful number, since it uses less digits than its factorization.

871345351217043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409780834 (or 2409780831 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 871345351217043 in words is "eight hundred seventy-one trillion, three hundred forty-five billion, three hundred fifty-one million, two hundred seventeen thousand, forty-three".