85201324680757 has 2 divisors, whose sum is σ = 85201324680758. Its totient is φ = 85201324680756.

The previous prime is 85201324680739. The next prime is 85201324680767. The reversal of 85201324680757 is 75708642310258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48773895436561 + 36427429244196 = 6983831^2 + 6035514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85201324680757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85201324680727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42600662340378 + 42600662340379.

It is an arithmetic number, because the mean of its divisors is an integer number (42600662340379).

Almost surely, 2^{85201324680757} is an apocalyptic number.

It is an amenable number.

85201324680757 is a deficient number, since it is larger than the sum of its proper divisors (1).

85201324680757 is an equidigital number, since it uses as much as digits as its factorization.

85201324680757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 85201324680757 in words is "eighty-five trillion, two hundred one billion, three hundred twenty-four million, six hundred eighty thousand, seven hundred fifty-seven".