8235639099 has 12 divisors (see below), whose sum is σ = 11945700000. Its totient is φ = 5467452144.

The previous prime is 8235639089. The next prime is 8235639121. The reversal of 8235639099 is 9909365328.

It is not a de Polignac number, because 8235639099 - 2⁵ = 8235639067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8235639089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1912224 + ... + 1916525.

It is an arithmetic number, because the mean of its divisors is an integer number (995475000).

Almost surely, 2^8235639099 is an apocalyptic number.

8235639099 is a deficient number, since it is larger than the sum of its proper divisors (3710060901).

8235639099 is a wasteful number, since it uses less digits than its factorization.

8235639099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828994 (or 3828991 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 8235639099 is about 90750.4220320765. The cubic root of 8235639099 is about 2019.4468879861.

The spelling of 8235639099 in words is "eight billion, two hundred thirty-five million, six hundred thirty-nine thousand, ninety-nine".