8017681939392 has 224 divisors, whose sum is σ = 23655508980480. Its totient is φ = 2381751336960.

The previous prime is 8017681939343. The next prime is 8017681939447. The reversal of 8017681939392 is 2939391867108.

It is a super-2 number, since 2×8017681939392² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125674542 + ... + 125738322.

Almost surely, 2^{8017681939392} 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 8017681939392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11827754490240).

8017681939392 is an abundant number, since it is smaller than the sum of its proper divisors (15637827041088).

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

8017681939392 is a wasteful number, since it uses less digits than its factorization.

8017681939392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65859 (or 65849 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 8017681939392 in words is "eight trillion, seventeen billion, six hundred eighty-one million, nine hundred thirty-nine thousand, three hundred ninety-two".