8869997187072 has 2080 divisors, whose sum is σ = 33978773790720. Its totient is φ = 2247370997760.

The previous prime is 8869997187071. The next prime is 8869997187113. The reversal of 8869997187072 is 2707817999688.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 8869997186982 and 8869997187000.

It is not an unprimeable number, because it can be changed into a prime (8869997187071) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 69842497473 + ... + 69842497599.

Almost surely, 2^{8869997187072} 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 8869997187072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16989386895360).

8869997187072 is an abundant number, since it is smaller than the sum of its proper divisors (25108776603648).

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

8869997187072 is a wasteful number, since it uses less digits than its factorization.

8869997187072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 1536288768, while the sum is 81.

The spelling of 8869997187072 in words is "eight trillion, eight hundred sixty-nine billion, nine hundred ninety-seven million, one hundred eighty-seven thousand, seventy-two".