871380816376817 has 8 divisors (see below), whose sum is σ = 895120452737280. Its totient is φ = 847759582193440.

The previous prime is 871380816376747. The next prime is 871380816376843. The reversal of 871380816376817 is 718673618083178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871380816376817 - 2¹⁴ = 871380816360433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871380816376117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29600529353 + ... + 29600558790.

It is an arithmetic number, because the mean of its divisors is an integer number (111890056592160).

Almost surely, 2^{871380816376817} is an apocalyptic number.

It is an amenable number.

871380816376817 is a deficient number, since it is larger than the sum of its proper divisors (23739636360463).

871380816376817 is a wasteful number, since it uses less digits than its factorization.

871380816376817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59201088543.

The product of its (nonzero) digits is 455196672, while the sum is 74.

The spelling of 871380816376817 in words is "eight hundred seventy-one trillion, three hundred eighty billion, eight hundred sixteen million, three hundred seventy-six thousand, eight hundred seventeen".