8763890821056 has 280 divisors, whose sum is σ = 29733243917696. Its totient is φ = 2500337963520.

The previous prime is 8763890821031. The next prime is 8763890821079. The reversal of 8763890821056 is 6501280983678.

8763890821056 is a `hidden beast` number, since 8 + 76 + 389 + 0 + 82 + 105 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 8763890820984 and 8763890821002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24900255 + ... + 25249761.

Almost surely, 2^{8763890821056} 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 8763890821056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14866621958848).

8763890821056 is an abundant number, since it is smaller than the sum of its proper divisors (20969353096640).

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

8763890821056 is a wasteful number, since it uses less digits than its factorization.

8763890821056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350229 (or 350210 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 8763890821056 in words is "eight trillion, seven hundred sixty-three billion, eight hundred ninety million, eight hundred twenty-one thousand, fifty-six".