8809688218000 has 80 divisors (see below), whose sum is σ = 22554874792944. Its totient is φ = 3316588492800.

The previous prime is 8809688217977. The next prime is 8809688218003. The reversal of 8809688218000 is 8128869088.

It can be written as a sum of positive squares in 8 ways, for example, as 3440995320064 + 5368692897936 = 1854992^2 + 2317044^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8809688218000² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8809688218003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129520239 + ... + 129588238.

Almost surely, 2^{8809688218000} is an apocalyptic number.

8809688218000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8809688218000 is an abundant number, since it is smaller than the sum of its proper divisors (13745186574944).

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

8809688218000 is a wasteful number, since it uses less digits than its factorization.

8809688218000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259108517 (or 259108501 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 58.

The spelling of 8809688218000 in words is "eight trillion, eight hundred nine billion, six hundred eighty-eight million, two hundred eighteen thousand".