871767402063205 has 8 divisors (see below), whose sum is σ = 1046191849315704. Its totient is φ = 697366610424000.

The previous prime is 871767402063161. The next prime is 871767402063317. The reversal of 871767402063205 is 502360204767178.

871767402063205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 62042702204961 + 809724699858244 = 7876719^2 + 28455662^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-871767402063205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 871767402063205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913822246 + ... + 5913969655.

It is an arithmetic number, because the mean of its divisors is an integer number (130773981164463).

Almost surely, 2^{871767402063205} is an apocalyptic number.

It is an amenable number.

871767402063205 is a deficient number, since it is larger than the sum of its proper divisors (174424447252499).

871767402063205 is a wasteful number, since it uses less digits than its factorization.

871767402063205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11827806647.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 871767402063205 in words is "eight hundred seventy-one trillion, seven hundred sixty-seven billion, four hundred two million, sixty-three thousand, two hundred five".