8198309807 has 4 divisors (see below), whose sum is σ = 8233495920. Its totient is φ = 8163123696.

The previous prime is 8198309771. The next prime is 8198309827. The reversal of 8198309807 is 7089038918.

8198309807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8198309807 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 (8198309827) 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, 17592707 + ... + 17593172.

It is an arithmetic number, because the mean of its divisors is an integer number (2058373980).

Almost surely, 2^8198309807 is an apocalyptic number.

8198309807 is a deficient number, since it is larger than the sum of its proper divisors (35186113).

8198309807 is a wasteful number, since it uses less digits than its factorization.

8198309807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35186112.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 8198309807 is about 90544.5183707992. The cubic root of 8198309807 is about 2016.3911159277.

The spelling of 8198309807 in words is "eight billion, one hundred ninety-eight million, three hundred nine thousand, eight hundred seven".