8162979 has 8 divisors (see below), whose sum is σ = 11873472. Its totient is φ = 4947240.

The previous prime is 8162971. The next prime is 8162981. The reversal of 8162979 is 9792618.

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

It is not a de Polignac number, because 8162979 - 2³ = 8162971 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8162979.

It is not an unprimeable number, because it can be changed into a prime (8162971) 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 7 ways as a sum of consecutive naturals, for example, 123649 + ... + 123714.

It is an arithmetic number, because the mean of its divisors is an integer number (1484184).

Almost surely, 2^8162979 is an apocalyptic number.

8162979 is a deficient number, since it is larger than the sum of its proper divisors (3710493).

8162979 is a wasteful number, since it uses less digits than its factorization.

8162979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247377.

The product of its digits is 54432, while the sum is 42.

The square root of 8162979 is about 2857.0927531321. The cubic root of 8162979 is about 201.3490383516.

The spelling of 8162979 in words is "eight million, one hundred sixty-two thousand, nine hundred seventy-nine".