7799798909 has 8 divisors (see below), whose sum is σ = 9000600960. Its totient is φ = 6620633136.

The previous prime is 7799798899. The next prime is 7799798911. The reversal of 7799798909 is 9098979977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7799798909 - 2¹² = 7799794813 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 (7799798969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5408294 + ... + 5409735.

It is an arithmetic number, because the mean of its divisors is an integer number (1125075120).

Almost surely, 2^7799798909 is an apocalyptic number.

It is an amenable number.

7799798909 is a deficient number, since it is larger than the sum of its proper divisors (1200802051).

7799798909 is a wasteful number, since it uses less digits than its factorization.

7799798909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818139.

The product of its (nonzero) digits is 162030456, while the sum is 74.

The square root of 7799798909 is about 88316.4702023354. The cubic root of 7799798909 is about 1983.1754397070.

The spelling of 7799798909 in words is "seven billion, seven hundred ninety-nine million, seven hundred ninety-eight thousand, nine hundred nine".