8615979 has 6 divisors (see below), whose sum is σ = 12445316. Its totient is φ = 5743980.

The previous prime is 8615963. The next prime is 8615983. The reversal of 8615979 is 9795168.

8615979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8615979 - 2⁴ = 8615963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8615989) 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 5 ways as a sum of consecutive naturals, for example, 478657 + ... + 478674.

Almost surely, 2^8615979 is an apocalyptic number.

8615979 is a deficient number, since it is larger than the sum of its proper divisors (3829337).

8615979 is a wasteful number, since it uses less digits than its factorization.

8615979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957337 (or 957334 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 8615979 is about 2935.2987922867. The cubic root of 8615979 is about 205.0067735220.

The spelling of 8615979 in words is "eight million, six hundred fifteen thousand, nine hundred seventy-nine".