108579217 has 2 divisors, whose sum is σ = 108579218. Its totient is φ = 108579216.

The previous prime is 108579209. The next prime is 108579227. The reversal of 108579217 is 712975801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83338641 + 25240576 = 9129^2 + 5024^2 .

It is a cyclic number.

It is not a de Polignac number, because 108579217 - 2³ = 108579209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108579217.

It is not a weakly prime, because it can be changed into another prime (108579227) 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 as a sum of consecutive naturals, namely, 54289608 + 54289609.

It is an arithmetic number, because the mean of its divisors is an integer number (54289609).

Almost surely, 2^108579217 is an apocalyptic number.

It is an amenable number.

108579217 is a deficient number, since it is larger than the sum of its proper divisors (1).

108579217 is an equidigital number, since it uses as much as digits as its factorization.

108579217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 108579217 is about 10420.1351718680. The cubic root of 108579217 is about 477.0701404504.

The spelling of 108579217 in words is "one hundred eight million, five hundred seventy-nine thousand, two hundred seventeen".