871652436 has 48 divisors (see below), whose sum is σ = 2233996800. Its totient is φ = 263289312.

The previous prime is 871652429. The next prime is 871652447. The reversal of 871652436 is 634256178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77866 + ... + 88353.

It is an arithmetic number, because the mean of its divisors is an integer number (46541600).

Almost surely, 2^871652436 is an apocalyptic number.

It is an amenable number.

871652436 is an abundant number, since it is smaller than the sum of its proper divisors (1362344364).

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

871652436 is a wasteful number, since it uses less digits than its factorization.

871652436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166268 (or 166266 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 871652436 is about 29523.7605328319. The cubic root of 871652436 is about 955.2442878986.

The spelling of 871652436 in words is "eight hundred seventy-one million, six hundred fifty-two thousand, four hundred thirty-six".