871758278705 has 16 divisors (see below), whose sum is σ = 1054407020544. Its totient is φ = 691875858240.

The previous prime is 871758278639. The next prime is 871758278723. The reversal of 871758278705 is 507872857178.

It is not a de Polignac number, because 871758278705 - 2¹⁴ = 871758262321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16924340 + ... + 16975770.

It is an arithmetic number, because the mean of its divisors is an integer number (65900438784).

Almost surely, 2^871758278705 is an apocalyptic number.

It is an amenable number.

871758278705 is a deficient number, since it is larger than the sum of its proper divisors (182648741839).

871758278705 is a wasteful number, since it uses less digits than its factorization.

871758278705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78256.

The product of its (nonzero) digits is 61465600, while the sum is 65.

The spelling of 871758278705 in words is "eight hundred seventy-one billion, seven hundred fifty-eight million, two hundred seventy-eight thousand, seven hundred five".