8427131728202 has 24 divisors (see below), whose sum is σ = 13896463635936. Its totient is φ = 3829923581000.

The previous prime is 8427131728201. The next prime is 8427131728229. The reversal of 8427131728202 is 2028271317248.

It is not an unprimeable number, because it can be changed into a prime (8427131728201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1111574 + ... + 4253217.

It is an arithmetic number, because the mean of its divisors is an integer number (579019318164).

Almost surely, 2^{8427131728202} is an apocalyptic number.

8427131728202 is a deficient number, since it is larger than the sum of its proper divisors (5469331907734).

8427131728202 is a wasteful number, since it uses less digits than its factorization.

8427131728202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371306 (or 5371295 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 8427131728202 in words is "eight trillion, four hundred twenty-seven billion, one hundred thirty-one million, seven hundred twenty-eight thousand, two hundred two".