85558818520863 has 12 divisors (see below), whose sum is σ = 123586516018368. Its totient is φ = 57038494224480.

The previous prime is 85558818520823. The next prime is 85558818520871. The reversal of 85558818520863 is 36802581885558.

85558818520863 is a `hidden beast` number, since 8 + 5 + 5 + 5 + 8 + 8 + 18 + 520 + 86 + 3 = 666.

It is not a de Polignac number, because 85558818520863 - 2³³ = 85550228586271 is a prime.

It is a super-2 number, since 2×85558818520863² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85558818520791 and 85558818520800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85558818520823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59088495 + ... + 60519152.

It is an arithmetic number, because the mean of its divisors is an integer number (10298876334864).

Almost surely, 2^{85558818520863} is an apocalyptic number.

85558818520863 is a deficient number, since it is larger than the sum of its proper divisors (38027697497505).

85558818520863 is a wasteful number, since it uses less digits than its factorization.

85558818520863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119687134 (or 119687131 counting only the distinct ones).

The product of its (nonzero) digits is 737280000, while the sum is 72.

The spelling of 85558818520863 in words is "eighty-five trillion, five hundred fifty-eight billion, eight hundred eighteen million, five hundred twenty thousand, eight hundred sixty-three".