65768305357 has 2 divisors, whose sum is σ = 65768305358. Its totient is φ = 65768305356.

The previous prime is 65768305333. The next prime is 65768305381. The reversal of 65768305357 is 75350386756.

It is a balanced prime because it is at equal distance from previous prime (65768305333) and next prime (65768305381).

It can be written as a sum of positive squares in only one way, i.e., 60611485636 + 5156819721 = 246194^2 + 71811^2 .

It is a cyclic number.

It is not a de Polignac number, because 65768305357 - 2³⁵ = 31408566989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65768305298 and 65768305307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65768305327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32884152678 + 32884152679.

It is an arithmetic number, because the mean of its divisors is an integer number (32884152679).

Almost surely, 2^65768305357 is an apocalyptic number.

It is an amenable number.

65768305357 is a deficient number, since it is larger than the sum of its proper divisors (1).

65768305357 is an equidigital number, since it uses as much as digits as its factorization.

65768305357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876000, while the sum is 55.

The spelling of 65768305357 in words is "sixty-five billion, seven hundred sixty-eight million, three hundred five thousand, three hundred fifty-seven".