72843850506277 has 2 divisors, whose sum is σ = 72843850506278. Its totient is φ = 72843850506276.

The previous prime is 72843850506227. The next prime is 72843850506331. The reversal of 72843850506277 is 77260505834827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70901266843521 + 1942583662756 = 8420289^2 + 1393766^2 .

It is a cyclic number.

It is not a de Polignac number, because 72843850506277 - 2⁷ = 72843850506149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72843850506227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36421925253138 + 36421925253139.

It is an arithmetic number, because the mean of its divisors is an integer number (36421925253139).

Almost surely, 2^{72843850506277} is an apocalyptic number.

It is an amenable number.

72843850506277 is a deficient number, since it is larger than the sum of its proper divisors (1).

72843850506277 is an equidigital number, since it uses as much as digits as its factorization.

72843850506277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158054400, while the sum is 64.

The spelling of 72843850506277 in words is "seventy-two trillion, eight hundred forty-three billion, eight hundred fifty million, five hundred six thousand, two hundred seventy-seven".