8689290909 has 64 divisors (see below), whose sum is σ = 13172544000. Its totient is φ = 5057740800.

The previous prime is 8689290893. The next prime is 8689290977. The reversal of 8689290909 is 9090929868.

8689290909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8689290909 - 2⁴ = 8689290893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689290409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19352317 + ... + 19352765.

It is an arithmetic number, because the mean of its divisors is an integer number (205821000).

Almost surely, 2^8689290909 is an apocalyptic number.

It is an amenable number.

8689290909 is a deficient number, since it is larger than the sum of its proper divisors (4483253091).

8689290909 is a wasteful number, since it uses less digits than its factorization.

8689290909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The square root of 8689290909 is about 93216.3661005942. The cubic root of 8689290909 is about 2055.8658809852.

The spelling of 8689290909 in words is "eight billion, six hundred eighty-nine million, two hundred ninety thousand, nine hundred nine".