86889168512 has 64 divisors (see below), whose sum is σ = 173967903360. Its totient is φ = 43227125760.

The previous prime is 86889168449. The next prime is 86889168523. The reversal of 86889168512 is 21586198868.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32998748 + ... + 33001380.

It is an arithmetic number, because the mean of its divisors is an integer number (2718248490).

Almost surely, 2^86889168512 is an apocalyptic number.

It is an amenable number.

86889168512 is an abundant number, since it is smaller than the sum of its proper divisors (87078734848).

86889168512 is a wasteful number, since it uses less digits than its factorization.

86889168512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3829 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 62.

The spelling of 86889168512 in words is "eighty-six billion, eight hundred eighty-nine million, one hundred sixty-eight thousand, five hundred twelve".