871951422 has 16 divisors (see below), whose sum is σ = 1754347392. Its totient is φ = 288909720.

The previous prime is 871951411. The next prime is 871951447. The reversal of 871951422 is 224159178.

It is a congruent number.

It is an unprimeable number.

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, 434104 + ... + 436107.

It is an arithmetic number, because the mean of its divisors is an integer number (109646712).

Almost surely, 2^871951422 is an apocalyptic number.

871951422 is an abundant number, since it is smaller than the sum of its proper divisors (882395970).

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

871951422 is a wasteful number, since it uses less digits than its factorization.

871951422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870383.

The product of its digits is 40320, while the sum is 39.

The square root of 871951422 is about 29528.8235796823. The cubic root of 871951422 is about 955.3534950427.

The spelling of 871951422 in words is "eight hundred seventy-one million, nine hundred fifty-one thousand, four hundred twenty-two".