107209769 has 4 divisors (see below), whose sum is σ = 113516244. Its totient is φ = 100903296.

The previous prime is 107209747. The next prime is 107209777. The reversal of 107209769 is 967902701.

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 49632025 + 57577744 = 7045^2 + 7588^2 .

It is not a de Polignac number, because 107209769 - 2¹² = 107205673 is a prime.

It is a super-2 number, since 2×107209769² = 22987869138066722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107209789) 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, 3153212 + ... + 3153245.

It is an arithmetic number, because the mean of its divisors is an integer number (28379061).

Almost surely, 2^107209769 is an apocalyptic number.

It is an amenable number.

107209769 is a deficient number, since it is larger than the sum of its proper divisors (6306475).

107209769 is an equidigital number, since it uses as much as digits as its factorization.

107209769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306474.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 107209769 is about 10354.2150354336. The cubic root of 107209769 is about 475.0559771519.

The spelling of 107209769 in words is "one hundred seven million, two hundred nine thousand, seven hundred sixty-nine".