8078085 has 24 divisors (see below), whose sum is σ = 14166360. Its totient is φ = 4257792.

The previous prime is 8078071. The next prime is 8078087. The reversal of 8078085 is 5808708.

It can be written as a sum of positive squares in 4 ways, for example, as 933156 + 7144929 = 966^2 + 2673^2 .

It is not a de Polignac number, because 8078085 - 2⁴ = 8078069 is a prime.

It is an Ulam number.

8078085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078087) 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 23 ways as a sum of consecutive naturals, for example, 2997 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (590265).

Almost surely, 2^8078085 is an apocalyptic number.

It is an amenable number.

8078085 is a deficient number, since it is larger than the sum of its proper divisors (6088275).

8078085 is a wasteful number, since it uses less digits than its factorization.

8078085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 8078085 is about 2842.1972134249. The cubic root of 8078085 is about 200.6486026326.

The spelling of 8078085 in words is "eight million, seventy-eight thousand, eighty-five".