871450513807886 has 16 divisors (see below), whose sum is σ = 1314750810265344. Its totient is φ = 433200316939104.

The previous prime is 871450513807883. The next prime is 871450513807903. The reversal of 871450513807886 is 688708315054178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871450513807883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578376 + ... + 42119108.

It is an arithmetic number, because the mean of its divisors is an integer number (82171925641584).

Almost surely, 2^{871450513807886} is an apocalyptic number.

871450513807886 is a deficient number, since it is larger than the sum of its proper divisors (443300296457458).

871450513807886 is a wasteful number, since it uses less digits than its factorization.

871450513807886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36609835.

The product of its (nonzero) digits is 361267200, while the sum is 71.

The spelling of 871450513807886 in words is "eight hundred seventy-one trillion, four hundred fifty billion, five hundred thirteen million, eight hundred seven thousand, eight hundred eighty-six".