979111 has 8 divisors (see below), whose sum is σ = 1137824. Its totient is φ = 825120.

The previous prime is 979109. The next prime is 979117. The reversal of 979111 is 111979.

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

It is a cyclic number.

It is not a de Polignac number, because 979111 - 2¹ = 979109 is a prime.

It is the 990-th Hogben number.

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 979111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979117) by changing a digit.

It is a nontrivial repunit in base 989.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (142228).

2⁹⁷⁹¹¹¹ is an apocalyptic number.

979111 is a deficient number, since it is larger than the sum of its proper divisors (158713).

979111 is a wasteful number, since it uses less digits than its factorization.

979111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its digits is 567, while the sum is 28.

The square root of 979111 is about 989.5003789792. The cubic root of 979111 is about 99.2987946024.

It can be divided in two parts, 9791 and 11, that multiplied together give a palindrome (107701).

The spelling of 979111 in words is "nine hundred seventy-nine thousand, one hundred eleven".