8868907591909 has 8 divisors (see below), whose sum is σ = 9255924313560. Its totient is φ = 8487303691776.

The previous prime is 8868907591883. The next prime is 8868907591927. The reversal of 8868907591909 is 9091957098688.

It can be written as a sum of positive squares in 4 ways, for example, as 289925171809 + 8578982420100 = 538447^2 + 2928990^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-8868907591909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8868907591009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353202032 + ... + 1353208585.

It is an arithmetic number, because the mean of its divisors is an integer number (1156990539195).

Almost surely, 2^{8868907591909} is an apocalyptic number.

It is an amenable number.

8868907591909 is a deficient number, since it is larger than the sum of its proper divisors (387016721651).

8868907591909 is a wasteful number, since it uses less digits than its factorization.

8868907591909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706410759.

The product of its (nonzero) digits is 705438720, while the sum is 79.

The spelling of 8868907591909 in words is "eight trillion, eight hundred sixty-eight billion, nine hundred seven million, five hundred ninety-one thousand, nine hundred nine".