80365585 has 4 divisors (see below), whose sum is σ = 96438708. Its totient is φ = 64292464.

The previous prime is 80365561. The next prime is 80365589. The reversal of 80365585 is 58556308.

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 23030401 + 57335184 = 4799^2 + 7572^2 .

It is a cyclic number.

It is not a de Polignac number, because 80365585 - 2¹¹ = 80363537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80365589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8036554 + ... + 8036563.

It is an arithmetic number, because the mean of its divisors is an integer number (24109677).

Almost surely, 2^80365585 is an apocalyptic number.

It is an amenable number.

80365585 is a deficient number, since it is larger than the sum of its proper divisors (16073123).

80365585 is a wasteful number, since it uses less digits than its factorization.

80365585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073122.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 80365585 is about 8964.6854378723. The cubic root of 80365585 is about 431.5422982319.

The spelling of 80365585 in words is "eighty million, three hundred sixty-five thousand, five hundred eighty-five".