881611072 has 28 divisors (see below), whose sum is σ = 1773421396. Its totient is φ = 434764800.

The previous prime is 881611067. The next prime is 881611079. The reversal of 881611072 is 270116188.

It can be written as a sum of positive squares in 2 ways, for example, as 636250176 + 245360896 = 25224^2 + 15664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881611079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89679 + ... + 99022.

Almost surely, 2^881611072 is an apocalyptic number.

It is an amenable number.

881611072 is an abundant number, since it is smaller than the sum of its proper divisors (891810324).

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

881611072 is a wasteful number, since it uses less digits than its factorization.

881611072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188786 (or 188776 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 881611072 is about 29691.9361443473. The cubic root of 881611072 is about 958.8684120494.

The spelling of 881611072 in words is "eight hundred eighty-one million, six hundred eleven thousand, seventy-two".