8997836709 has 4 divisors (see below), whose sum is σ = 11997115616. Its totient is φ = 5998557804.

The previous prime is 8997836689. The next prime is 8997836711. The reversal of 8997836709 is 9076387998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8997836709 - 2⁵ = 8997836677 is a prime.

It is a super-3 number, since 3×8997836709³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8997836709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997836719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499639449 + ... + 1499639454.

It is an arithmetic number, because the mean of its divisors is an integer number (2999278904).

Almost surely, 2^8997836709 is an apocalyptic number.

It is an amenable number.

8997836709 is a deficient number, since it is larger than the sum of its proper divisors (2999278907).

8997836709 is a wasteful number, since it uses less digits than its factorization.

8997836709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999278906.

The product of its (nonzero) digits is 41150592, while the sum is 66.

The square root of 8997836709 is about 94856.9275751645. The cubic root of 8997836709 is about 2079.9171494520.

The spelling of 8997836709 in words is "eight billion, nine hundred ninety-seven million, eight hundred thirty-six thousand, seven hundred nine".