871962799504 has 10 divisors (see below), whose sum is σ = 1689427924070. Its totient is φ = 435981399744.

The previous prime is 871962799501. The next prime is 871962799549. The reversal of 871962799504 is 405997269178.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 792242406400 + 79720393104 = 890080^2 + 282348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 871962799504.

It is not an unprimeable number, because it can be changed into a prime (871962799501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27248837469 + ... + 27248837500.

It is an arithmetic number, because the mean of its divisors is an integer number (168942792407).

Almost surely, 2^871962799504 is an apocalyptic number.

It is an amenable number.

871962799504 is a deficient number, since it is larger than the sum of its proper divisors (817465124566).

871962799504 is a wasteful number, since it uses less digits than its factorization.

871962799504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54497674977 (or 54497674971 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 871962799504 in words is "eight hundred seventy-one billion, nine hundred sixty-two million, seven hundred ninety-nine thousand, five hundred four".