108279589 has 4 divisors (see below), whose sum is σ = 118123200. Its totient is φ = 98435980.

The previous prime is 108279581. The next prime is 108279599. The reversal of 108279589 is 985972801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 985972801 = 11 ⋅89633891.

It is a cyclic number.

It is not a de Polignac number, because 108279589 - 2³ = 108279581 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108279581) 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, 4921789 + ... + 4921810.

It is an arithmetic number, because the mean of its divisors is an integer number (29530800).

Almost surely, 2^108279589 is an apocalyptic number.

It is an amenable number.

108279589 is a deficient number, since it is larger than the sum of its proper divisors (9843611).

108279589 is an equidigital number, since it uses as much as digits as its factorization.

108279589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843610.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 108279589 is about 10405.7478827809. The cubic root of 108279589 is about 476.6309058104.

The spelling of 108279589 in words is "one hundred eight million, two hundred seventy-nine thousand, five hundred eighty-nine".