871630853922 has 12 divisors (see below), whose sum is σ = 1888533516870. Its totient is φ = 290543617968.

The previous prime is 871630853909. The next prime is 871630853923. The reversal of 871630853922 is 229358036178.

871630853922 is a `hidden beast` number, since 8 + 71 + 6 + 30 + 8 + 539 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 749884989681 + 121745864241 = 865959^2 + 348921^2 .

It is not an unprimeable number, because it can be changed into a prime (871630853923) 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, 24211968147 + ... + 24211968182.

Almost surely, 2^871630853922 is an apocalyptic number.

871630853922 is an abundant number, since it is smaller than the sum of its proper divisors (1016902662948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871630853922 is a wasteful number, since it uses less digits than its factorization.

871630853922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48423936337 (or 48423936334 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 871630853922 in words is "eight hundred seventy-one billion, six hundred thirty million, eight hundred fifty-three thousand, nine hundred twenty-two".