38870697693942 is a `hidden beast` number, since 3 + 8 + 87 + 0 + 6 + 97 + 69 + 394 + 2 = 666.
It is a congruent number.
Almost surely, 238870697693942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38870697693942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47312112960000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38870697693942 is a wasteful number, since it uses less digits than its factorization.
38870697693942 is an odious number, because the sum of its binary digits is odd.
The spelling of 38870697693942 in words is "thirty-eight trillion, eight hundred seventy billion, six hundred ninety-seven million, six hundred ninety-three thousand, nine hundred forty-two".