86942912 has 28 divisors (see below), whose sum is σ = 197175120. Its totient is φ = 37261056.

The previous prime is 86942909. The next prime is 86942939. The reversal of 86942912 is 21924968.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 86942912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96587 + ... + 97482.

Almost surely, 2^86942912 is an apocalyptic number.

It is an amenable number.

86942912 is an abundant number, since it is smaller than the sum of its proper divisors (110232208).

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

86942912 is a wasteful number, since it uses less digits than its factorization.

86942912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194088 (or 194078 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 86942912 is about 9324.3183128849. The cubic root of 86942912 is about 443.0078215578.

The spelling of 86942912 in words is "eighty-six million, nine hundred forty-two thousand, nine hundred twelve".