8839690609 has 4 divisors (see below), whose sum is σ = 9078601204. Its totient is φ = 8600780016.

The previous prime is 8839690591. The next prime is 8839690679. The reversal of 8839690609 is 9060969388.

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 7096377600 + 1743313009 = 84240^2 + 41753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8839690609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8839690679) 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, 119455242 + ... + 119455315.

It is an arithmetic number, because the mean of its divisors is an integer number (2269650301).

Almost surely, 2^8839690609 is an apocalyptic number.

It is an amenable number.

8839690609 is a deficient number, since it is larger than the sum of its proper divisors (238910595).

8839690609 is a wasteful number, since it uses less digits than its factorization.

8839690609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238910594.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 8839690609 is about 94019.6288495121. The cubic root of 8839690609 is about 2067.6595022737.

The spelling of 8839690609 in words is "eight billion, eight hundred thirty-nine million, six hundred ninety thousand, six hundred nine".