871401104179 has 4 divisors (see below), whose sum is σ = 875780004400. Its totient is φ = 867022203960.

The previous prime is 871401104131. The next prime is 871401104201. The reversal of 871401104179 is 971401104178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 871401104179 - 2³¹ = 869253620531 is a prime.

It is a super-2 number, since 2×871401104179² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871401114179) 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, 2189449812 + ... + 2189450209.

It is an arithmetic number, because the mean of its divisors is an integer number (218945001100).

Almost surely, 2^871401104179 is an apocalyptic number.

871401104179 is a deficient number, since it is larger than the sum of its proper divisors (4378900221).

871401104179 is a wasteful number, since it uses less digits than its factorization.

871401104179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378900220.

The product of its (nonzero) digits is 56448, while the sum is 43.

Subtracting 871401104179 from its reverse (971401104178), we obtain a palindrome (99999999999).

The spelling of 871401104179 in words is "eight hundred seventy-one billion, four hundred one million, one hundred four thousand, one hundred seventy-nine".