881229811 has 16 divisors (see below), whose sum is σ = 1107767808. Its totient is φ = 686665320.

The previous prime is 881229803. The next prime is 881229893. The reversal of 881229811 is 118922188.

It is not a de Polignac number, because 881229811 - 2³ = 881229803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (881229311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37975 + ... + 56608.

It is an arithmetic number, because the mean of its divisors is an integer number (69235488).

Almost surely, 2^881229811 is an apocalyptic number.

881229811 is a deficient number, since it is larger than the sum of its proper divisors (226537997).

881229811 is an equidigital number, since it uses as much as digits as its factorization.

881229811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94623 (or 94601 counting only the distinct ones).

The product of its digits is 18432, while the sum is 40.

The square root of 881229811 is about 29685.5151715445. The cubic root of 881229811 is about 958.7301682314.

The spelling of 881229811 in words is "eight hundred eighty-one million, two hundred twenty-nine thousand, eight hundred eleven".