85101447853 has 2 divisors, whose sum is σ = 85101447854. Its totient is φ = 85101447852.

The previous prime is 85101447803. The next prime is 85101447913. The reversal of 85101447853 is 35874410158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64595780649 + 20505667204 = 254157^2 + 143198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85101447853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85101447803) 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, 42550723926 + 42550723927.

It is an arithmetic number, because the mean of its divisors is an integer number (42550723927).

Almost surely, 2^85101447853 is an apocalyptic number.

It is an amenable number.

85101447853 is a deficient number, since it is larger than the sum of its proper divisors (1).

85101447853 is an equidigital number, since it uses as much as digits as its factorization.

85101447853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 85101447853 in words is "eighty-five billion, one hundred one million, four hundred forty-seven thousand, eight hundred fifty-three".