867789288 has 80 divisors (see below), whose sum is σ = 2435004000. Its totient is φ = 288741024.

The previous prime is 867789283. The next prime is 867789311. The reversal of 867789288 is 882987768.

It is not an unprimeable number, because it can be changed into a prime (867789283) 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, 555853 + ... + 557411.

It is an arithmetic number, because the mean of its divisors is an integer number (30437550).

Almost surely, 2^867789288 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 867789288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217502000).

867789288 is an abundant number, since it is smaller than the sum of its proper divisors (1567214712).

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

867789288 is a wasteful number, since it uses less digits than its factorization.

867789288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2423 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 63.

The square root of 867789288 is about 29458.2634926093. The cubic root of 867789288 is about 953.8309894024.

The spelling of 867789288 in words is "eight hundred sixty-seven million, seven hundred eighty-nine thousand, two hundred eighty-eight".