86843824512 has 64 divisors (see below), whose sum is σ = 230718112560. Its totient is φ = 28943022080.

The previous prime is 86843824499. The next prime is 86843824519. The reversal of 86843824512 is 21542834868.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86843824519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2769562 + ... + 2800742.

Almost surely, 2^86843824512 is an apocalyptic number.

It is an amenable number.

86843824512 is an abundant number, since it is smaller than the sum of its proper divisors (143874288048).

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

86843824512 is a wasteful number, since it uses less digits than its factorization.

86843824512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38451 (or 38439 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The spelling of 86843824512 in words is "eighty-six billion, eight hundred forty-three million, eight hundred twenty-four thousand, five hundred twelve".