871061403867833 has 4 divisors (see below), whose sum is σ = 881556119577168. Its totient is φ = 860566688158500.

The previous prime is 871061403867763. The next prime is 871061403867857. The reversal of 871061403867833 is 338768304160178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 871061403867833 - 2⁴⁰ = 869961892240057 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 871061403867833.

It is not an unprimeable number, because it can be changed into a prime (871061403867133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247357854543 + ... + 5247357854708.

It is an arithmetic number, because the mean of its divisors is an integer number (220389029894292).

Almost surely, 2^{871061403867833} is an apocalyptic number.

871061403867833 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

871061403867833 is a deficient number, since it is larger than the sum of its proper divisors (10494715709335).

871061403867833 is a wasteful number, since it uses less digits than its factorization.

871061403867833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10494715709334.

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 871061403867833 in words is "eight hundred seventy-one trillion, sixty-one billion, four hundred three million, eight hundred sixty-seven thousand, eight hundred thirty-three".