8090084605 has 4 divisors (see below), whose sum is σ = 9708101532. Its totient is φ = 6472067680.

The previous prime is 8090084591. The next prime is 8090084647. The reversal of 8090084605 is 5064800908.

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 4243480164 + 3846604441 = 65142^2 + 62021^2 .

It is not a de Polignac number, because 8090084605 - 2¹⁹ = 8089560317 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809008456 + ... + 809008465.

It is an arithmetic number, because the mean of its divisors is an integer number (2427025383).

Almost surely, 2^8090084605 is an apocalyptic number.

It is an amenable number.

8090084605 is a deficient number, since it is larger than the sum of its proper divisors (1618016927).

8090084605 is a wasteful number, since it uses less digits than its factorization.

8090084605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618016926.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8090084605 is about 89944.8976040331. The cubic root of 8090084605 is about 2007.4790474786.

The spelling of 8090084605 in words is "eight billion, ninety million, eighty-four thousand, six hundred five".