871804368547 has 16 divisors (see below), whose sum is σ = 1023498256320. Its totient is φ = 726906849408.

The previous prime is 871804368541. The next prime is 871804368559. The reversal of 871804368547 is 745863408178.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871804368547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871804368541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838029 + ... + 1563937.

It is an arithmetic number, because the mean of its divisors is an integer number (63968641020).

Almost surely, 2^871804368547 is an apocalyptic number.

871804368547 is a deficient number, since it is larger than the sum of its proper divisors (151693887773).

871804368547 is a wasteful number, since it uses less digits than its factorization.

871804368547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730590.

The product of its (nonzero) digits is 36126720, while the sum is 61.

The spelling of 871804368547 in words is "eight hundred seventy-one billion, eight hundred four million, three hundred sixty-eight thousand, five hundred forty-seven".