109764909 has 16 divisors (see below), whose sum is σ = 164295040. Its totient is φ = 72420480.

The previous prime is 109764899. The next prime is 109764911. The reversal of 109764909 is 909467901.

It is not a de Polignac number, because 109764909 - 2⁵ = 109764877 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 (109764989) 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 in 15 ways as a sum of consecutive naturals, for example, 18337 + ... + 23574.

It is an arithmetic number, because the mean of its divisors is an integer number (10268440).

Almost surely, 2^109764909 is an apocalyptic number.

It is an amenable number.

109764909 is a deficient number, since it is larger than the sum of its proper divisors (54530131).

109764909 is an equidigital number, since it uses as much as digits as its factorization.

109764909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42017 (or 42011 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 109764909 is about 10476.8749634612. The cubic root of 109764909 is about 478.8004029494.

The spelling of 109764909 in words is "one hundred nine million, seven hundred sixty-four thousand, nine hundred nine".