109008479 has 4 divisors (see below), whose sum is σ = 109067376. Its totient is φ = 108949584.

The previous prime is 109008467. The next prime is 109008481. The reversal of 109008479 is 974800901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974800901 = 73 ⋅13353437.

It is a cyclic number.

It is not a de Polignac number, because 109008479 - 2²⁰ = 107959903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109008499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26579 + ... + 30404.

It is an arithmetic number, because the mean of its divisors is an integer number (27266844).

Almost surely, 2^109008479 is an apocalyptic number.

109008479 is a deficient number, since it is larger than the sum of its proper divisors (58897).

109008479 is an equidigital number, since it uses as much as digits as its factorization.

109008479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58896.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 109008479 is about 10440.7125714675. The cubic root of 109008479 is about 477.6980040097.

The spelling of 109008479 in words is "one hundred nine million, eight thousand, four hundred seventy-nine".