8797877209 has 9 divisors (see below), whose sum is σ = 9671528181. Its totient is φ = 7997132220.

The previous prime is 8797877197. The next prime is 8797877251. The reversal of 8797877209 is 9027787978.

It is a happy number.

The square root of 8797877209 is 93797.

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

8797877209 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 8797877209 - 2⁹ = 8797876697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8797877509) 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 8 ways as a sum of consecutive naturals, for example, 1027504 + ... + 1036030.

Almost surely, 2^8797877209 is an apocalyptic number.

8797877209 is the 93797-th square number.

8797877209 is the 46899-th centered octagonal number.

It is an amenable number.

8797877209 is a deficient number, since it is larger than the sum of its proper divisors (873650972).

8797877209 is an frugal number, since it uses more digits than its factorization.

8797877209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17076 (or 8538 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 64.

The cubic root of 8797877209 is about 2064.3942088549.

Multiplying 8797877209 by its sum of digits (64), we get a square (563064141376 = 750376²).

The spelling of 8797877209 in words is "eight billion, seven hundred ninety-seven million, eight hundred seventy-seven thousand, two hundred nine".