85811558385227 has 8 divisors (see below), whose sum is σ = 88777182505440. Its totient is φ = 82846374589440.

The previous prime is 85811558385071. The next prime is 85811558385271. The reversal of 85811558385227 is 72258385511858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85811558385227 - 2¹⁶ = 85811558319691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85811558382227) 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 in 7 ways as a sum of consecutive naturals, for example, 109684583 + ... + 110464160.

It is an arithmetic number, because the mean of its divisors is an integer number (11097147813180).

Almost surely, 2^{85811558385227} is an apocalyptic number.

85811558385227 is a deficient number, since it is larger than the sum of its proper divisors (2965624120213).

85811558385227 is a wasteful number, since it uses less digits than its factorization.

85811558385227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220162213.

The product of its digits is 215040000, while the sum is 68.

The spelling of 85811558385227 in words is "eighty-five trillion, eight hundred eleven billion, five hundred fifty-eight million, three hundred eighty-five thousand, two hundred twenty-seven".