8075099209 has 2 divisors, whose sum is σ = 8075099210. Its totient is φ = 8075099208.

The previous prime is 8075099203. The next prime is 8075099231. The reversal of 8075099209 is 9029905708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8073561609 + 1537600 = 89853^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 8075099209 - 2²¹ = 8073002057 is a prime.

It is not a weakly prime, because it can be changed into another prime (8075099203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037549604 + 4037549605.

It is an arithmetic number, because the mean of its divisors is an integer number (4037549605).

Almost surely, 2^8075099209 is an apocalyptic number.

It is an amenable number.

8075099209 is a deficient number, since it is larger than the sum of its proper divisors (1).

8075099209 is an equidigital number, since it uses as much as digits as its factorization.

8075099209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 8075099209 is about 89861.5557900040. Note that the first 3 decimals coincide. The cubic root of 8075099209 is about 2006.2387859558.

The spelling of 8075099209 in words is "eight billion, seventy-five million, ninety-nine thousand, two hundred nine".