8684250079920 has 320 divisors, whose sum is σ = 28558172160000. Its totient is φ = 2176894614528.

The previous prime is 8684250079907. The next prime is 8684250079957. The reversal of 8684250079920 is 299700524868.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1703125531 + ... + 1703130629.

It is an arithmetic number, because the mean of its divisors is an integer number (89244288000).

Almost surely, 2^{8684250079920} is an apocalyptic number.

8684250079920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8684250079920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14279086080000).

8684250079920 is an abundant number, since it is smaller than the sum of its proper divisors (19873922080080).

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

8684250079920 is a wasteful number, since it uses less digits than its factorization.

8684250079920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960 (or 7954 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 8684250079920 in words is "eight trillion, six hundred eighty-four billion, two hundred fifty million, seventy-nine thousand, nine hundred twenty".