8686979 has 8 divisors (see below), whose sum is σ = 10270560. Its totient is φ = 7189056.

The previous prime is 8686961. The next prime is 8686981. The reversal of 8686979 is 9796868.

8686979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8686979 - 2¹⁶ = 8621443 is a prime.

It is a super-3 number, since 3×8686979³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8686979.

It is not an unprimeable number, because it can be changed into a prime (8686999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21194 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (1283820).

Almost surely, 2^8686979 is an apocalyptic number.

8686979 is a deficient number, since it is larger than the sum of its proper divisors (1583581).

8686979 is a wasteful number, since it uses less digits than its factorization.

8686979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42829.

The product of its digits is 1306368, while the sum is 53.

The square root of 8686979 is about 2947.3681480263. The cubic root of 8686979 is about 205.5683534060.

The spelling of 8686979 in words is "eight million, six hundred eighty-six thousand, nine hundred seventy-nine".