86004509 has 4 divisors (see below), whose sum is σ = 88778880. Its totient is φ = 83230140.

The previous prime is 86004497. The next prime is 86004533. The reversal of 86004509 is 90540068.

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 86004509 - 2⁴ = 86004493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86004559) 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, 1387139 + ... + 1387200.

It is an arithmetic number, because the mean of its divisors is an integer number (22194720).

Almost surely, 2^86004509 is an apocalyptic number.

It is an amenable number.

86004509 is a deficient number, since it is larger than the sum of its proper divisors (2774371).

86004509 is a wasteful number, since it uses less digits than its factorization.

86004509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774370.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 86004509 is about 9273.8616012964. The cubic root of 86004509 is about 441.4082103530.

The spelling of 86004509 in words is "eighty-six million, four thousand, five hundred nine".