8765432099 has 2 divisors, whose sum is σ = 8765432100. Its totient is φ = 8765432098.

The previous prime is 8765432077. The next prime is 8765432119. The reversal of 8765432099 is 9902345678.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8765432099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8765432099.

It is not a weakly prime, because it can be changed into another prime (8765432009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4382716049 + 4382716050.

It is an arithmetic number, because the mean of its divisors is an integer number (4382716050).

Almost surely, 2^8765432099 is an apocalyptic number.

8765432099 is a deficient number, since it is larger than the sum of its proper divisors (1).

8765432099 is an equidigital number, since it uses as much as digits as its factorization.

8765432099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 8765432099 is about 93623.8863698789. The cubic root of 8765432099 is about 2061.8533685619.

The spelling of 8765432099 in words is "eight billion, seven hundred sixty-five million, four hundred thirty-two thousand, ninety-nine".