86182009 has 4 divisors (see below), whose sum is σ = 86292304. Its totient is φ = 86071716.

The previous prime is 86182003. The next prime is 86182013. The reversal of 86182009 is 90028168.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86182009 - 2¹⁹ = 85657721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86182003) by changing a digit.

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, 53967 + ... + 55540.

It is an arithmetic number, because the mean of its divisors is an integer number (21573076).

Almost surely, 2^86182009 is an apocalyptic number.

It is an amenable number.

86182009 is a deficient number, since it is larger than the sum of its proper divisors (110295).

86182009 is a wasteful number, since it uses less digits than its factorization.

86182009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110294.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 86182009 is about 9283.4265764318. The cubic root of 86182009 is about 441.7116677694.

The spelling of 86182009 in words is "eighty-six million, one hundred eighty-two thousand, nine".