86147317218 has 32 divisors (see below), whose sum is σ = 174920792256. Its totient is φ = 28278347328.

The previous prime is 86147317189. The next prime is 86147317219. The reversal of 86147317218 is 81271374168.

It is not an unprimeable number, because it can be changed into a prime (86147317219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324180 + ... + 1387712.

It is an arithmetic number, because the mean of its divisors is an integer number (5466274758).

Almost surely, 2^86147317218 is an apocalyptic number.

86147317218 is an abundant number, since it is smaller than the sum of its proper divisors (88773475038).

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

86147317218 is a wasteful number, since it uses less digits than its factorization.

86147317218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66978.

The product of its digits is 451584, while the sum is 48.

The spelling of 86147317218 in words is "eighty-six billion, one hundred forty-seven million, three hundred seventeen thousand, two hundred eighteen".