868502852 has 36 divisors (see below), whose sum is σ = 1773092160. Its totient is φ = 371148624.

The previous prime is 868502821. The next prime is 868502857. The reversal of 868502852 is 258205868.

It is not an unprimeable number, because it can be changed into a prime (868502857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64193 + ... + 76535.

It is an arithmetic number, because the mean of its divisors is an integer number (49252560).

Almost surely, 2^868502852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868502852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886546080).

868502852 is an abundant number, since it is smaller than the sum of its proper divisors (904589308).

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

868502852 is a wasteful number, since it uses less digits than its factorization.

868502852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12720 (or 12711 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 868502852 is about 29470.3724442023. The cubic root of 868502852 is about 954.0923558416.

The spelling of 868502852 in words is "eight hundred sixty-eight million, five hundred two thousand, eight hundred fifty-two".