8128677228037 has 2 divisors, whose sum is σ = 8128677228038. Its totient is φ = 8128677228036.

The previous prime is 8128677228031. The next prime is 8128677228047. The reversal of 8128677228037 is 7308227768218.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8127208882276 + 1468345761 = 2850826^2 + 38319^2 .

It is a cyclic number.

It is not a de Polignac number, because 8128677228037 - 2¹⁵ = 8128677195269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8128677228031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4064338614018 + 4064338614019.

It is an arithmetic number, because the mean of its divisors is an integer number (4064338614019).

Almost surely, 2^{8128677228037} is an apocalyptic number.

It is an amenable number.

8128677228037 is a deficient number, since it is larger than the sum of its proper divisors (1).

8128677228037 is an equidigital number, since it uses as much as digits as its factorization.

8128677228037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 8128677228037 in words is "eight trillion, one hundred twenty-eight billion, six hundred seventy-seven million, two hundred twenty-eight thousand, thirty-seven".