8396899709 has 16 divisors (see below), whose sum is σ = 9703717056. Its totient is φ = 7181088000.

The previous prime is 8396899697. The next prime is 8396899781. The reversal of 8396899709 is 9079986938.

It is a cyclic number.

It is not a de Polignac number, because 8396899709 - 2¹² = 8396895613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8396899799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431234 + ... + 450284.

It is an arithmetic number, because the mean of its divisors is an integer number (606482316).

Almost surely, 2^8396899709 is an apocalyptic number.

It is an amenable number.

8396899709 is a deficient number, since it is larger than the sum of its proper divisors (1306817347).

8396899709 is a wasteful number, since it uses less digits than its factorization.

8396899709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21436.

The product of its (nonzero) digits is 52907904, while the sum is 68.

The square root of 8396899709 is about 91634.5988641845. The cubic root of 8396899709 is about 2032.5425936113.

The spelling of 8396899709 in words is "eight billion, three hundred ninety-six million, eight hundred ninety-nine thousand, seven hundred nine".