871034366106641 has 4 divisors (see below), whose sum is σ = 950219308479984. Its totient is φ = 791849423733300.

The previous prime is 871034366106599. The next prime is 871034366106659. The reversal of 871034366106641 is 146601663430178.

It is a happy number.

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 871034366106641 - 2⁶ = 871034366106577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871034366106041) 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, 39592471186655 + ... + 39592471186676.

It is an arithmetic number, because the mean of its divisors is an integer number (237554827119996).

Almost surely, 2^{871034366106641} is an apocalyptic number.

It is an amenable number.

871034366106641 is a deficient number, since it is larger than the sum of its proper divisors (79184942373343).

871034366106641 is a wasteful number, since it uses less digits than its factorization.

871034366106641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79184942373342.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 871034366106641 in words is "eight hundred seventy-one trillion, thirty-four billion, three hundred sixty-six million, one hundred six thousand, six hundred forty-one".