8620872990912 has 2352 divisors, whose sum is σ = 34549973502912. Its totient is φ = 2106910310400.

The previous prime is 8620872990893. The next prime is 8620872990913. The reversal of 8620872990912 is 2190992780268.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (2352).

It is a super-2 number, since 2×8620872990912² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 8620872990912.

It is not an unprimeable number, because it can be changed into a prime (8620872990913) 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 335 ways as a sum of consecutive naturals, for example, 57091874037 + ... + 57091874187.

Almost surely, 2^{8620872990912} 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 8620872990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17274986751456).

8620872990912 is an abundant number, since it is smaller than the sum of its proper divisors (25929100512000).

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

8620872990912 is a wasteful number, since it uses less digits than its factorization.

8620872990912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 8620872990912 in words is "eight trillion, six hundred twenty billion, eight hundred seventy-two million, nine hundred ninety thousand, nine hundred twelve".