881915328 has 126 divisors (see below), whose sum is σ = 2940655536. Its totient is φ = 251967744.

The previous prime is 881915327. The next prime is 881915339. The reversal of 881915328 is 823519188.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (126).

It is a super-2 number, since 2×881915328² = 1555549291522695168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881915323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12601 + ... + 43847.

It is an arithmetic number, because the mean of its divisors is an integer number (23338536).

Almost surely, 2^881915328 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 881915328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470327768).

881915328 is an abundant number, since it is smaller than the sum of its proper divisors (2058740208).

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

881915328 is a wasteful number, since it uses less digits than its factorization.

881915328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31279 (or 31259 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 881915328 is about 29697.0592483498. The cubic root of 881915328 is about 958.9787055495.

The spelling of 881915328 in words is "eight hundred eighty-one million, nine hundred fifteen thousand, three hundred twenty-eight".