870822500 has 60 divisors (see below), whose sum is σ = 1919573040. Its totient is φ = 345540000.

The previous prime is 870822443. The next prime is 870822503. The reversal of 870822500 is 5228078.

It is not an unprimeable number, because it can be changed into a prime (870822503) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 326171 + ... + 328829.

It is an arithmetic number, because the mean of its divisors is an integer number (31992884).

Almost surely, 2^870822500 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 870822500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959786520).

870822500 is an abundant number, since it is smaller than the sum of its proper divisors (1048750540).

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

870822500 is a wasteful number, since it uses less digits than its factorization.

870822500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 870822500 is about 29509.7017944946. The cubic root of 870822500 is about 954.9410158832.

The spelling of 870822500 in words is "eight hundred seventy million, eight hundred twenty-two thousand, five hundred".