881206553856 has 288 divisors, whose sum is σ = 2444174974080. Its totient is φ = 281681068032.

The previous prime is 881206553849. The next prime is 881206553861. The reversal of 881206553856 is 658355602188.

It is a junction number, because it is equal to n+sod(n) for n = 881206553796 and 881206553805.

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, 327706560 + ... + 327709248.

It is an arithmetic number, because the mean of its divisors is an integer number (8486718660).

Almost surely, 2^881206553856 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 881206553856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222087487040).

881206553856 is an abundant number, since it is smaller than the sum of its proper divisors (1562968420224).

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

881206553856 is a wasteful number, since it uses less digits than its factorization.

881206553856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 881206553856 in words is "eight hundred eighty-one billion, two hundred six million, five hundred fifty-three thousand, eight hundred fifty-six".