871773852 has 24 divisors (see below), whose sum is σ = 2068617600. Its totient is φ = 285665776.

The previous prime is 871773767. The next prime is 871773883. The reversal of 871773852 is 258377178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614952 + ... + 616367.

It is an arithmetic number, because the mean of its divisors is an integer number (86192400).

Almost surely, 2^871773852 is an apocalyptic number.

It is an amenable number.

871773852 is an abundant number, since it is smaller than the sum of its proper divisors (1196843748).

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

871773852 is a wasteful number, since it uses less digits than its factorization.

871773852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231385 (or 1231383 counting only the distinct ones).

The product of its digits is 658560, while the sum is 48.

The square root of 871773852 is about 29525.8167033530. The cubic root of 871773852 is about 955.2886391219.

The spelling of 871773852 in words is "eight hundred seventy-one million, seven hundred seventy-three thousand, eight hundred fifty-two".