36080809 has 4 divisors (see below), whose sum is σ = 37056004. Its totient is φ = 35105616.

The previous prime is 36080743. The next prime is 36080839. The reversal of 36080809 is 90808063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29593600 + 6487209 = 5440^2 + 2547^2 .

It is a cyclic number.

It is not a de Polignac number, because 36080809 - 2¹⁷ = 35949737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36080839) 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, 487542 + ... + 487615.

It is an arithmetic number, because the mean of its divisors is an integer number (9264001).

Almost surely, 2^36080809 is an apocalyptic number.

It is an amenable number.

36080809 is a deficient number, since it is larger than the sum of its proper divisors (975195).

36080809 is an equidigital number, since it uses as much as digits as its factorization.

36080809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975194.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 36080809 is about 6006.7303085789. The cubic root of 36080809 is about 330.4396008529.

The spelling of 36080809 in words is "thirty-six million, eighty thousand, eight hundred nine".