881963017920 has 336 divisors, whose sum is σ = 3222682208928. Its totient is φ = 229452963840.

The previous prime is 881963017919. The next prime is 881963017963. The reversal of 881963017920 is 29710369188.

881963017920 is a `hidden beast` number, since 88 + 196 + 301 + 79 + 2 + 0 = 666.

It is a super-2 number, since 2×881963017920² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3049842 + ... + 3326478.

It is an arithmetic number, because the mean of its divisors is an integer number (9591316098).

Almost surely, 2^881963017920 is an apocalyptic number.

881963017920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881963017920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611341104464).

881963017920 is an abundant number, since it is smaller than the sum of its proper divisors (2340719191008).

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

881963017920 is a wasteful number, since it uses less digits than its factorization.

881963017920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276710 (or 276688 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 881963017920 in words is "eight hundred eighty-one billion, nine hundred sixty-three million, seventeen thousand, nine hundred twenty".