65327144777 has 2 divisors, whose sum is σ = 65327144778. Its totient is φ = 65327144776.

The previous prime is 65327144717. The next prime is 65327144783. The reversal of 65327144777 is 77744172356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45407774281 + 19919370496 = 213091^2 + 141136^2 .

It is a cyclic number.

It is not a de Polignac number, because 65327144777 - 2¹⁰ = 65327143753 is a prime.

It is not a weakly prime, because it can be changed into another prime (65327144717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32663572388 + 32663572389.

It is an arithmetic number, because the mean of its divisors is an integer number (32663572389).

Almost surely, 2^65327144777 is an apocalyptic number.

It is an amenable number.

65327144777 is a deficient number, since it is larger than the sum of its proper divisors (1).

65327144777 is an equidigital number, since it uses as much as digits as its factorization.

65327144777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6914880, while the sum is 53.

The spelling of 65327144777 in words is "sixty-five billion, three hundred twenty-seven million, one hundred forty-four thousand, seven hundred seventy-seven".