107843539789 has 4 divisors (see below), whose sum is σ = 107844716380. Its totient is φ = 107842363200.

The previous prime is 107843539781. The next prime is 107843539819. The reversal of 107843539789 is 987935348701.

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 48019271689 + 59824268100 = 219133^2 + 244590^2 .

It is a cyclic number.

It is not a de Polignac number, because 107843539789 - 2³ = 107843539781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107843539789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107843539781) 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, 438012 + ... + 638389.

It is an arithmetic number, because the mean of its divisors is an integer number (26961179095).

Almost surely, 2^107843539789 is an apocalyptic number.

It is an amenable number.

107843539789 is a deficient number, since it is larger than the sum of its proper divisors (1176591).

107843539789 is a wasteful number, since it uses less digits than its factorization.

107843539789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176590.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 107843539789 in words is "one hundred seven billion, eight hundred forty-three million, five hundred thirty-nine thousand, seven hundred eighty-nine".