84207788228 has 12 divisors (see below), whose sum is σ = 147418450620. Its totient is φ = 42088230912.

The previous prime is 84207788201. The next prime is 84207788239. The reversal of 84207788228 is 82288770248.

It can be written as a sum of positive squares in 2 ways, for example, as 5862658624 + 78345129604 = 76568^2 + 279902^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3903701 + ... + 3925212.

It is an arithmetic number, because the mean of its divisors is an integer number (12284870885).

Almost surely, 2^84207788228 is an apocalyptic number.

It is an amenable number.

84207788228 is a deficient number, since it is larger than the sum of its proper divisors (63210662392).

84207788228 is a wasteful number, since it uses less digits than its factorization.

84207788228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831606 (or 7831604 counting only the distinct ones).

The product of its (nonzero) digits is 6422528, while the sum is 56.

The spelling of 84207788228 in words is "eighty-four billion, two hundred seven million, seven hundred eighty-eight thousand, two hundred twenty-eight".