8277271852121 has 2 divisors, whose sum is σ = 8277271852122. Its totient is φ = 8277271852120.

The previous prime is 8277271852099. The next prime is 8277271852133. The reversal of 8277271852121 is 1212581727728.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7721257051225 + 556014800896 = 2778715^2 + 745664^2 .

It is a cyclic number.

It is not a de Polignac number, because 8277271852121 - 2³⁴ = 8260091982937 is a prime.

It is not a weakly prime, because it can be changed into another prime (8277271852141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4138635926060 + 4138635926061.

It is an arithmetic number, because the mean of its divisors is an integer number (4138635926061).

Almost surely, 2^{8277271852121} is an apocalyptic number.

It is an amenable number.

8277271852121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8277271852121 is an equidigital number, since it uses as much as digits as its factorization.

8277271852121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1756160, while the sum is 53.

The spelling of 8277271852121 in words is "eight trillion, two hundred seventy-seven billion, two hundred seventy-one million, eight hundred fifty-two thousand, one hundred twenty-one".