8782221868 has 24 divisors (see below), whose sum is σ = 17662579200. Its totient is φ = 3742780368.

The previous prime is 8782221841. The next prime is 8782221881. The reversal of 8782221868 is 8681222878.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871108 + ... + 881131.

It is an arithmetic number, because the mean of its divisors is an integer number (735940800).

Almost surely, 2^8782221868 is an apocalyptic number.

It is an amenable number.

8782221868 is an abundant number, since it is smaller than the sum of its proper divisors (8880357332).

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

8782221868 is a wasteful number, since it uses less digits than its factorization.

8782221868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752429 (or 1752427 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 52.

The square root of 8782221868 is about 93713.5095277090. The cubic root of 8782221868 is about 2063.1689896592.

The spelling of 8782221868 in words is "eight billion, seven hundred eighty-two million, two hundred twenty-one thousand, eight hundred sixty-eight".