8078090 has 8 divisors (see below), whose sum is σ = 14540580. Its totient is φ = 3231232.

The previous prime is 8078087. The next prime is 8078113. The reversal of 8078090 is 908708.

It can be written as a sum of positive squares in 2 ways, for example, as 7123561 + 954529 = 2669^2 + 977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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, 403895 + ... + 403914.

Almost surely, 2^8078090 is an apocalyptic number.

8078090 is a deficient number, since it is larger than the sum of its proper divisors (6462490).

8078090 is a wasteful number, since it uses less digits than its factorization.

8078090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807816.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 8078090 is about 2842.1980930259. The cubic root of 8078090 is about 200.6486440304.

The spelling of 8078090 in words is "eight million, seventy-eight thousand, ninety".