8772209312 has 24 divisors (see below), whose sum is σ = 17386204500. Its totient is φ = 4356665344.

The previous prime is 8772209293. The next prime is 8772209317. The reversal of 8772209312 is 2139022778.

It can be written as a sum of positive squares in 2 ways, for example, as 7624083856 + 1148125456 = 87316^2 + 33884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8772209312.

It is not an unprimeable number, because it can be changed into a prime (8772209317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915137 + ... + 924672.

Almost surely, 2^8772209312 is an apocalyptic number.

It is an amenable number.

8772209312 is a deficient number, since it is larger than the sum of its proper divisors (8613995188).

8772209312 is a wasteful number, since it uses less digits than its factorization.

8772209312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839968 (or 1839960 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 8772209312 is about 93660.0732009110. The cubic root of 8772209312 is about 2062.3846228302.

The spelling of 8772209312 in words is "eight billion, seven hundred seventy-two million, two hundred nine thousand, three hundred twelve".