8816297609 has 24 divisors (see below), whose sum is σ = 10678207176. Its totient is φ = 7251552000.

The previous prime is 8816297603. The next prime is 8816297617. The reversal of 8816297609 is 9067926188.

It can be written as a sum of positive squares in 4 ways, for example, as 1178411584 + 7637886025 = 34328^2 + 87395^2 .

It is not a de Polignac number, because 8816297609 - 2¹² = 8816293513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8816297603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86579 + ... + 158519.

It is an arithmetic number, because the mean of its divisors is an integer number (444925299).

Almost surely, 2^8816297609 is an apocalyptic number.

It is an amenable number.

8816297609 is a deficient number, since it is larger than the sum of its proper divisors (1861909567).

8816297609 is a wasteful number, since it uses less digits than its factorization.

8816297609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72057 (or 72050 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The square root of 8816297609 is about 93895.1415622768. The cubic root of 8816297609 is about 2065.8339674686.

The spelling of 8816297609 in words is "eight billion, eight hundred sixteen million, two hundred ninety-seven thousand, six hundred nine".