8272122791 has 2 divisors, whose sum is σ = 8272122792. Its totient is φ = 8272122790.

The previous prime is 8272122767. The next prime is 8272122839. The reversal of 8272122791 is 1972212728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8272122791 - 2³⁰ = 7198380967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8272122091) 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 as a sum of consecutive naturals, namely, 4136061395 + 4136061396.

It is an arithmetic number, because the mean of its divisors is an integer number (4136061396).

Almost surely, 2^8272122791 is an apocalyptic number.

8272122791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8272122791 is an equidigital number, since it uses as much as digits as its factorization.

8272122791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 8272122791 is about 90951.2110474621. The cubic root of 8272122791 is about 2022.4245297830.

The spelling of 8272122791 in words is "eight billion, two hundred seventy-two million, one hundred twenty-two thousand, seven hundred ninety-one".