8809293672 has 80 divisors (see below), whose sum is σ = 24900747300. Its totient is φ = 2909468160.

The previous prime is 8809293667. The next prime is 8809293697. The reversal of 8809293672 is 2763929088.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8272630116 + 536663556 = 90954^2 + 23166^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8272 + ... + 132992.

Almost surely, 2^8809293672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8809293672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12450373650).

8809293672 is an abundant number, since it is smaller than the sum of its proper divisors (16091453628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8809293672 is a wasteful number, since it uses less digits than its factorization.

8809293672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124848 (or 124835 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 8809293672 is about 93857.8375629867. The cubic root of 8809293672 is about 2065.2867686018.

The spelling of 8809293672 in words is "eight billion, eight hundred nine million, two hundred ninety-three thousand, six hundred seventy-two".