8226781708811 has 4 divisors (see below), whose sum is σ = 8226788651400. Its totient is φ = 8226774766224.

The previous prime is 8226781708757. The next prime is 8226781708861. The reversal of 8226781708811 is 1188071876228.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8226781708811 - 2³⁸ = 7951903801867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8226781708861) 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 in 3 ways as a sum of consecutive naturals, for example, 1197266 + ... + 4229303.

It is an arithmetic number, because the mean of its divisors is an integer number (2056697162850).

Almost surely, 2^{8226781708811} is an apocalyptic number.

8226781708811 is a deficient number, since it is larger than the sum of its proper divisors (6942589).

8226781708811 is a wasteful number, since it uses less digits than its factorization.

8226781708811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942588.

The product of its (nonzero) digits is 4816896, while the sum is 59.

The spelling of 8226781708811 in words is "eight trillion, two hundred twenty-six billion, seven hundred eighty-one million, seven hundred eight thousand, eight hundred eleven".