7884279228 has 96 divisors (see below), whose sum is σ = 21965045760. Its totient is φ = 2153661120.

The previous prime is 7884279217. The next prime is 7884279289. The reversal of 7884279228 is 8229724887.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197893 + ... + 234371.

It is an arithmetic number, because the mean of its divisors is an integer number (228802560).

Almost surely, 2^7884279228 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 7884279228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10982522880).

7884279228 is an abundant number, since it is smaller than the sum of its proper divisors (14080766532).

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

7884279228 is a wasteful number, since it uses less digits than its factorization.

7884279228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36607 (or 36605 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 57.

The square root of 7884279228 is about 88793.4638810763. The cubic root of 7884279228 is about 1990.3097274700.

The spelling of 7884279228 in words is "seven billion, eight hundred eighty-four million, two hundred seventy-nine thousand, two hundred twenty-eight".