65788223 has 2 divisors, whose sum is σ = 65788224. Its totient is φ = 65788222.

The previous prime is 65788199. The next prime is 65788243. The reversal of 65788223 is 32288756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65788223 - 2¹⁶ = 65722687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65788243) 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, 32894111 + 32894112.

It is an arithmetic number, because the mean of its divisors is an integer number (32894112).

Almost surely, 2^65788223 is an apocalyptic number.

65788223 is a deficient number, since it is larger than the sum of its proper divisors (1).

65788223 is an equidigital number, since it uses as much as digits as its factorization.

65788223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 65788223 is about 8110.9939588191. The cubic root of 65788223 is about 403.6912956405.

The spelling of 65788223 in words is "sixty-five million, seven hundred eighty-eight thousand, two hundred twenty-three".