886981589209 has 9 divisors (see below), whose sum is σ = 889665314293. Its totient is φ = 884305943932.

The previous prime is 886981589141. The next prime is 886981589213. The reversal of 886981589209 is 902985189688.

It is a happy number.

The square root of 886981589209 is 941797.

It is a perfect power (a square), and thus also a powerful number.

886981589209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 886981589209 - 2⁹ = 886981588697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (886981589269) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 360707022 + ... + 360709480.

Almost surely, 2^886981589209 is an apocalyptic number.

886981589209 is the 941797-th square number.

886981589209 is the 470899-th centered octagonal number.

It is an amenable number.

886981589209 is a deficient number, since it is larger than the sum of its proper divisors (2683725084).

886981589209 is an frugal number, since it uses more digits than its factorization.

886981589209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 73.

The spelling of 886981589209 in words is "eight hundred eighty-six billion, nine hundred eighty-one million, five hundred eighty-nine thousand, two hundred nine".