871953616 has 20 divisors (see below), whose sum is σ = 1743908224. Its totient is φ = 421912800.

The previous prime is 871953587. The next prime is 871953637. The reversal of 871953616 is 616359178.

It is a happy number.

871953616 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878490 + ... + 879481.

Almost surely, 2^871953616 is an apocalyptic number.

It is an amenable number.

871953616 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

871953616 is a wasteful number, since it uses less digits than its factorization.

871953616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758010 (or 1758004 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 871953616 is about 29528.8607298013. The cubic root of 871953616 is about 955.3542963274.

The spelling of 871953616 in words is "eight hundred seventy-one million, nine hundred fifty-three thousand, six hundred sixteen".