107809489 has 4 divisors (see below), whose sum is σ = 107907124. Its totient is φ = 107711856.

The previous prime is 107809469. The next prime is 107809511. The reversal of 107809489 is 984908701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26214400 + 81595089 = 5120^2 + 9033^2 .

It is a cyclic number.

It is not a de Polignac number, because 107809489 - 2⁹ = 107808977 is a prime.

It is a super-2 number, since 2×107809489² = 23245771836882242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107809409) 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 3 ways as a sum of consecutive naturals, for example, 47142 + ... + 49375.

It is an arithmetic number, because the mean of its divisors is an integer number (26976781).

Almost surely, 2^107809489 is an apocalyptic number.

It is an amenable number.

107809489 is a deficient number, since it is larger than the sum of its proper divisors (97635).

107809489 is an equidigital number, since it uses as much as digits as its factorization.

107809489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97634.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 107809489 is about 10383.1348349138. The cubic root of 107809489 is about 475.9401347046.

The spelling of 107809489 in words is "one hundred seven million, eight hundred nine thousand, four hundred eighty-nine".