67999799572992 has 2880 divisors, whose sum is σ = 259467570345984. Its totient is φ = 17397059420160.

The previous prime is 67999799572987. The next prime is 67999799573003. The reversal of 67999799572992 is 29927599799976.

67999799572992 is a `hidden beast` number, since 6 + 7 + 99 + 97 + 99 + 57 + 299 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 67999799572893 and 67999799572902.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 660192228813 + ... + 660192228915.

Almost surely, 2^{67999799572992} 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 67999799572992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129733785172992).

67999799572992 is an abundant number, since it is smaller than the sum of its proper divisors (191467770772992).

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

67999799572992 is a wasteful number, since it uses less digits than its factorization.

67999799572992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 236 counting only the distinct ones).

The product of its digits is 196867004040, while the sum is 99.

The spelling of 67999799572992 in words is "sixty-seven trillion, nine hundred ninety-nine billion, seven hundred ninety-nine million, five hundred seventy-two thousand, nine hundred ninety-two".