881636363712 has 588 divisors, whose sum is σ = 2872813577704. Its totient is φ = 266734218240.

The previous prime is 881636363711. The next prime is 881636363717. The reversal of 881636363712 is 217363636188.

881636363712 is a `hidden beast` number, since 88 + 163 + 6 + 36 + 371 + 2 = 666.

881636363712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881636363711) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 4178371287 + ... + 4178371497.

Almost surely, 2^881636363712 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 881636363712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436406788852).

881636363712 is an abundant number, since it is smaller than the sum of its proper divisors (1991177213992).

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

881636363712 is an equidigital number, since it uses as much as digits as its factorization.

881636363712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 312 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 881636363712 in words is "eight hundred eighty-one billion, six hundred thirty-six million, three hundred sixty-three thousand, seven hundred twelve".