86193564 has 12 divisors (see below), whose sum is σ = 201118344. Its totient is φ = 28731184.

The previous prime is 86193559. The next prime is 86193571. The reversal of 86193564 is 46539168.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591387 + ... + 3591410.

It is an arithmetic number, because the mean of its divisors is an integer number (16759862).

Almost surely, 2^86193564 is an apocalyptic number.

It is an amenable number.

86193564 is an abundant number, since it is smaller than the sum of its proper divisors (114924780).

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

86193564 is a wasteful number, since it uses less digits than its factorization.

86193564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182804 (or 7182802 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 86193564 is about 9284.0489012068. The cubic root of 86193564 is about 441.7314079692.

The spelling of 86193564 in words is "eighty-six million, one hundred ninety-three thousand, five hundred sixty-four".