86192851885218 has 48 divisors (see below), whose sum is σ = 212947045843896. Its totient is φ = 24960825884160.

The previous prime is 86192851885193. The next prime is 86192851885277. The reversal of 86192851885218 is 81258815829168.

86192851885218 is a `hidden beast` number, since 8 + 6 + 1 + 9 + 2 + 8 + 518 + 85 + 21 + 8 = 666.

86192851885218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46118672491329 + 40074179393889 = 6791073^2 + 6330417^2 .

It is a super-2 number, since 2×86192851885218² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10833687813 + ... + 10833695768.

Almost surely, 2^{86192851885218} is an apocalyptic number.

86192851885218 is an abundant number, since it is smaller than the sum of its proper divisors (126754193958678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86192851885218 is a wasteful number, since it uses less digits than its factorization.

86192851885218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21667383619 (or 21667383616 counting only the distinct ones).

The product of its digits is 176947200, while the sum is 72.

The spelling of 86192851885218 in words is "eighty-six trillion, one hundred ninety-two billion, eight hundred fifty-one million, eight hundred eighty-five thousand, two hundred eighteen".