72366777766223 has 2 divisors, whose sum is σ = 72366777766224. Its totient is φ = 72366777766222.

The previous prime is 72366777766193. The next prime is 72366777766277. The reversal of 72366777766223 is 32266777766327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72366777766223 - 2¹⁸ = 72366777504079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72366777766123) 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, 36183388883111 + 36183388883112.

It is an arithmetic number, because the mean of its divisors is an integer number (36183388883112).

Almost surely, 2^{72366777766223} is an apocalyptic number.

72366777766223 is a deficient number, since it is larger than the sum of its proper divisors (1).

72366777766223 is an equidigital number, since it uses as much as digits as its factorization.

72366777766223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568294784, while the sum is 71.

The spelling of 72366777766223 in words is "seventy-two trillion, three hundred sixty-six billion, seven hundred seventy-seven million, seven hundred sixty-six thousand, two hundred twenty-three".