881530556 has 12 divisors (see below), whose sum is σ = 1571785992. Its totient is φ = 432448848.

The previous prime is 881530519. The next prime is 881530561. The reversal of 881530556 is 655035188.

881530556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×881530556² = 1554192242323338272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078870 + ... + 2079293.

It is an arithmetic number, because the mean of its divisors is an integer number (130982166).

Almost surely, 2^881530556 is an apocalyptic number.

It is an amenable number.

881530556 is a deficient number, since it is larger than the sum of its proper divisors (690255436).

881530556 is a wasteful number, since it uses less digits than its factorization.

881530556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158220 (or 4158218 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 881530556 is about 29690.5802570445. The cubic root of 881530556 is about 958.8392205680.

The spelling of 881530556 in words is "eight hundred eighty-one million, five hundred thirty thousand, five hundred fifty-six".