65077470173 has 2 divisors, whose sum is σ = 65077470174. Its totient is φ = 65077470172.

The previous prime is 65077470113. The next prime is 65077470187. The reversal of 65077470173 is 37107477056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53832352324 + 11245117849 = 232018^2 + 106043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65077470173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65077470113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32538735086 + 32538735087.

It is an arithmetic number, because the mean of its divisors is an integer number (32538735087).

Almost surely, 2^65077470173 is an apocalyptic number.

It is an amenable number.

65077470173 is a deficient number, since it is larger than the sum of its proper divisors (1).

65077470173 is an equidigital number, since it uses as much as digits as its factorization.

65077470173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 65077470173 in words is "sixty-five billion, seventy-seven million, four hundred seventy thousand, one hundred seventy-three".