85811520727363 has 2 divisors, whose sum is σ = 85811520727364. Its totient is φ = 85811520727362.

The previous prime is 85811520727313. The next prime is 85811520727367. The reversal of 85811520727363 is 36372702511858.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85811520727363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85811520727298 and 85811520727307.

It is not a weakly prime, because it can be changed into another prime (85811520727367) 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, 42905760363681 + 42905760363682.

It is an arithmetic number, because the mean of its divisors is an integer number (42905760363682).

Almost surely, 2^{85811520727363} is an apocalyptic number.

85811520727363 is a deficient number, since it is larger than the sum of its proper divisors (1).

85811520727363 is an equidigital number, since it uses as much as digits as its factorization.

85811520727363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 85811520727363 in words is "eighty-five trillion, eight hundred eleven billion, five hundred twenty million, seven hundred twenty-seven thousand, three hundred sixty-three".