879812108289 has 27 divisors (see below), whose sum is σ = 1286677072993. Its totient is φ = 579320812392.

The previous prime is 879812108261. The next prime is 879812108291. The reversal of 879812108289 is 982801218978.

The square root of 879812108289 is 937983.

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

It is not a de Polignac number, because 879812108289 - 2¹¹ = 879812106241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879812108389) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 233555884 + ... + 233559650.

Almost surely, 2^879812108289 is an apocalyptic number.

879812108289 is the 937983-rd square number.

879812108289 is the 468992-nd centered octagonal number.

It is an amenable number.

879812108289 is a deficient number, since it is larger than the sum of its proper divisors (406864964704).

879812108289 is an frugal number, since it uses more digits than its factorization.

879812108289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 63.

The spelling of 879812108289 in words is "eight hundred seventy-nine billion, eight hundred twelve million, one hundred eight thousand, two hundred eighty-nine".