65738930177 has 2 divisors, whose sum is σ = 65738930178. Its totient is φ = 65738930176.

The previous prime is 65738930107. The next prime is 65738930189. The reversal of 65738930177 is 77103983756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46628356096 + 19110574081 = 215936^2 + 138241^2 .

It is a cyclic number.

It is not a de Polignac number, because 65738930177 - 2¹⁸ = 65738668033 is a prime.

It is not a weakly prime, because it can be changed into another prime (65738930107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32869465088 + 32869465089.

It is an arithmetic number, because the mean of its divisors is an integer number (32869465089).

Almost surely, 2^65738930177 is an apocalyptic number.

It is an amenable number.

65738930177 is a deficient number, since it is larger than the sum of its proper divisors (1).

65738930177 is an equidigital number, since it uses as much as digits as its factorization.

65738930177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 65738930177 in words is "sixty-five billion, seven hundred thirty-eight million, nine hundred thirty thousand, one hundred seventy-seven".