9123879361 has 9 divisors (see below), whose sum is σ = 9540114339. Its totient is φ = 8725087536.

The previous prime is 9123879329. The next prime is 9123879397. The reversal of 9123879361 is 1639783219.

The square root of 9123879361 is 95519.

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

It can be written as a sum of positive squares in only one way, i.e., 109516225 + 9014363136 = 10465^2 + 94944^2 .

It is not a de Polignac number, because 9123879361 - 2⁵ = 9123879329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9123877361) 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, 2194861 + ... + 2199013.

Almost surely, 2^9123879361 is an apocalyptic number.

9123879361 is the 95519-th square number.

9123879361 is the 47760-th centered octagonal number.

It is an amenable number.

9123879361 is a deficient number, since it is larger than the sum of its proper divisors (416234978).

9123879361 is an frugal number, since it uses more digits than its factorization.

9123879361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352 (or 4176 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The cubic root of 9123879361 is about 2089.5840507525.

Multiplying 9123879361 by its sum of digits (49), we get a square (447070088689 = 668633²).

The spelling of 9123879361 in words is "nine billion, one hundred twenty-three million, eight hundred seventy-nine thousand, three hundred sixty-one".