8277742218253 has 2 divisors, whose sum is σ = 8277742218254. Its totient is φ = 8277742218252.

The previous prime is 8277742218211. The next prime is 8277742218313. The reversal of 8277742218253 is 3528122477728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6381979482564 + 1895762735689 = 2526258^2 + 1376867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8277742218253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8277742212253) 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, 4138871109126 + 4138871109127.

It is an arithmetic number, because the mean of its divisors is an integer number (4138871109127).

Almost surely, 2^{8277742218253} is an apocalyptic number.

It is an amenable number.

8277742218253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8277742218253 is an equidigital number, since it uses as much as digits as its factorization.

8277742218253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21073920, while the sum is 58.

The spelling of 8277742218253 in words is "eight trillion, two hundred seventy-seven billion, seven hundred forty-two million, two hundred eighteen thousand, two hundred fifty-three".