8079915 has 16 divisors (see below), whose sum is σ = 13229568. Its totient is φ = 4208736.

The previous prime is 8079889. The next prime is 8079917. The reversal of 8079915 is 5199708.

It is a happy number.

It is not a de Polignac number, because 8079915 - 2⁷ = 8079787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8079917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5619 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (826848).

Almost surely, 2^8079915 is an apocalyptic number.

8079915 is a deficient number, since it is larger than the sum of its proper divisors (5149653).

8079915 is a wasteful number, since it uses less digits than its factorization.

8079915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 8079915 is about 2842.5191292232. The cubic root of 8079915 is about 200.6637530558.

The spelling of 8079915 in words is "eight million, seventy-nine thousand, nine hundred fifteen".