86315581108 has 24 divisors (see below), whose sum is σ = 159948403272. Its totient is φ = 40616377344.

The previous prime is 86315581081. The next prime is 86315581123. The reversal of 86315581108 is 80118551368.

It can be written as a sum of positive squares in 4 ways, for example, as 72569894544 + 13745686564 = 269388^2 + 117242^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281816 + ... + 1347472.

It is an arithmetic number, because the mean of its divisors is an integer number (6664516803).

Almost surely, 2^86315581108 is an apocalyptic number.

It is an amenable number.

86315581108 is a deficient number, since it is larger than the sum of its proper divisors (73632822164).

86315581108 is a wasteful number, since it uses less digits than its factorization.

86315581108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85011 (or 85009 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 86315581108 in words is "eighty-six billion, three hundred fifteen million, five hundred eighty-one thousand, one hundred eight".