8309243086 has 4 divisors (see below), whose sum is σ = 12463864632. Its totient is φ = 4154621542.

The previous prime is 8309243071. The next prime is 8309243087. The reversal of 8309243086 is 6803429038.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8309243087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077310770 + ... + 2077310773.

It is an arithmetic number, because the mean of its divisors is an integer number (3115966158).

Almost surely, 2^8309243086 is an apocalyptic number.

8309243086 is a deficient number, since it is larger than the sum of its proper divisors (4154621546).

8309243086 is a wasteful number, since it uses less digits than its factorization.

8309243086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154621545.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 8309243086 is about 91155.0497010451. The cubic root of 8309243086 is about 2025.4451562924.

The spelling of 8309243086 in words is "eight billion, three hundred nine million, two hundred forty-three thousand, eighty-six".