881193494972 has 96 divisors (see below), whose sum is σ = 1855981424640. Its totient is φ = 358147215360.

The previous prime is 881193494957. The next prime is 881193494977. The reversal of 881193494972 is 279494391188.

It is a junction number, because it is equal to n+sod(n) for n = 881193494899 and 881193494908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881193494977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11184854 + ... + 11263362.

It is an arithmetic number, because the mean of its divisors is an integer number (19333139840).

Almost surely, 2^881193494972 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 881193494972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927990712320).

881193494972 is an abundant number, since it is smaller than the sum of its proper divisors (974787929668).

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

881193494972 is a wasteful number, since it uses less digits than its factorization.

881193494972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78811 (or 78809 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 65.

The spelling of 881193494972 in words is "eight hundred eighty-one billion, one hundred ninety-three million, four hundred ninety-four thousand, nine hundred seventy-two".