108579609 has 10 divisors (see below), whose sum is σ = 162199290. Its totient is φ = 72386352.

The previous prime is 108579607. The next prime is 108579643. The reversal of 108579609 is 906975801.

108579609 is a `hidden beast` number, since 10 + 8 + 579 + 60 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80192025 + 28387584 = 8955^2 + 5328^2 .

It is not a de Polignac number, because 108579609 - 2¹ = 108579607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108579607) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 670164 + ... + 670325.

It is an arithmetic number, because the mean of its divisors is an integer number (16219929).

Almost surely, 2^108579609 is an apocalyptic number.

It is an amenable number.

108579609 is a deficient number, since it is larger than the sum of its proper divisors (53619681).

108579609 is an equidigital number, since it uses as much as digits as its factorization.

108579609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340501 (or 1340492 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 108579609 is about 10420.1539815878. The cubic root of 108579609 is about 477.0707145666.

The spelling of 108579609 in words is "one hundred eight million, five hundred seventy-nine thousand, six hundred nine".