8667699298920 has 192 divisors, whose sum is σ = 29232894600000. Its totient is φ = 2309840644608.

The previous prime is 8667699298903. The next prime is 8667699298927. The reversal of 8667699298920 is 298929967668.

It is a happy number.

It is a super-2 number, since 2×8667699298920² (a number of 27 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8667699298920.

It is not an unprimeable number, because it can be changed into a prime (8667699298927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14272836 + ... + 14867724.

It is an arithmetic number, because the mean of its divisors is an integer number (152254659375).

Almost surely, 2^{8667699298920} 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 8667699298920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14616447300000).

8667699298920 is an abundant number, since it is smaller than the sum of its proper divisors (20565195301080).

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

8667699298920 is a wasteful number, since it uses less digits than its factorization.

8667699298920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596414 (or 596398 counting only the distinct ones).

The product of its (nonzero) digits is 2539579392, while the sum is 81.

The spelling of 8667699298920 in words is "eight trillion, six hundred sixty-seven billion, six hundred ninety-nine million, two hundred ninety-eight thousand, nine hundred twenty".