116579569 has 4 divisors (see below), whose sum is σ = 117033444. Its totient is φ = 116125696.

The previous prime is 116579513. The next prime is 116579597. The reversal of 116579569 is 965975611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 965975611 = 24043 ⋅40177.

It can be written as a sum of positive squares in 2 ways, for example, as 86713344 + 29866225 = 9312^2 + 5465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116579569 is a prime.

It is a super-2 number, since 2×116579569² = 27181591816451522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116579669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226552 + ... + 227065.

It is an arithmetic number, because the mean of its divisors is an integer number (29258361).

Almost surely, 2^116579569 is an apocalyptic number.

It is an amenable number.

116579569 is a deficient number, since it is larger than the sum of its proper divisors (453875).

116579569 is an equidigital number, since it uses as much as digits as its factorization.

116579569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453874.

The product of its digits is 510300, while the sum is 49.

The square root of 116579569 is about 10797.2019060495. The cubic root of 116579569 is about 488.5107762814.

The spelling of 116579569 in words is "one hundred sixteen million, five hundred seventy-nine thousand, five hundred sixty-nine".