872805252 has 24 divisors (see below), whose sum is σ = 2221686432. Its totient is φ = 264486400.

The previous prime is 872805229. The next prime is 872805259. The reversal of 872805252 is 252508278.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 872805252.

It is not an unprimeable number, because it can be changed into a prime (872805259) 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 7 ways as a sum of consecutive naturals, for example, 3305949 + ... + 3306212.

It is an arithmetic number, because the mean of its divisors is an integer number (92570268).

Almost surely, 2^872805252 is an apocalyptic number.

It is an amenable number.

872805252 is an abundant number, since it is smaller than the sum of its proper divisors (1348881180).

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

872805252 is a wasteful number, since it uses less digits than its factorization.

872805252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612179 (or 6612177 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 872805252 is about 29543.2776109896. The cubic root of 872805252 is about 955.6652262342.

The spelling of 872805252 in words is "eight hundred seventy-two million, eight hundred five thousand, two hundred fifty-two".