871630846331 has 6 divisors (see below), whose sum is σ = 1013937923340. Its totient is φ = 747112153956.

The previous prime is 871630846327. The next prime is 871630846367. The reversal of 871630846331 is 133648036178.

It is not a de Polignac number, because 871630846331 - 2² = 871630846327 is a prime.

It is a super-2 number, since 2×871630846331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 871630846331.

It is not an unprimeable number, because it can be changed into a prime (871630846381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8894192261 + ... + 8894192358.

It is an arithmetic number, because the mean of its divisors is an integer number (168989653890).

Almost surely, 2^871630846331 is an apocalyptic number.

871630846331 is a deficient number, since it is larger than the sum of its proper divisors (142307077009).

871630846331 is a wasteful number, since it uses less digits than its factorization.

871630846331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788384633 (or 17788384626 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 871630846331 in words is "eight hundred seventy-one billion, six hundred thirty million, eight hundred forty-six thousand, three hundred thirty-one".