86317885578 has 8 divisors (see below), whose sum is σ = 172635771168. Its totient is φ = 28772628524.

The previous prime is 86317885529. The next prime is 86317885607. The reversal of 86317885578 is 87558871368.

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

86317885578 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7193157126 + ... + 7193157137.

It is an arithmetic number, because the mean of its divisors is an integer number (21579471396).

Almost surely, 2^86317885578 is an apocalyptic number.

86317885578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86317885578 is a wasteful number, since it uses less digits than its factorization.

86317885578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386314268.

The product of its digits is 90316800, while the sum is 66.

The spelling of 86317885578 in words is "eighty-six billion, three hundred seventeen million, eight hundred eighty-five thousand, five hundred seventy-eight".