10558979 has 4 divisors (see below), whose sum is σ = 10565976. Its totient is φ = 10551984.

The previous prime is 10558967. The next prime is 10558981. The reversal of 10558979 is 97985501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97985501 = 17 ⋅5763853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10558979 is a prime.

It is a super-2 number, since 2×10558979² = 222984075044882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10552979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (2641494).

Almost surely, 2^10558979 is an apocalyptic number.

10558979 is a deficient number, since it is larger than the sum of its proper divisors (6997).

10558979 is an equidigital number, since it uses as much as digits as its factorization.

10558979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 10558979 is about 3249.4582625416. The cubic root of 10558979 is about 219.3851911781.

The spelling of 10558979 in words is "ten million, five hundred fifty-eight thousand, nine hundred seventy-nine".