881131424 has 12 divisors (see below), whose sum is σ = 1734727554. Its totient is φ = 440565696.

The previous prime is 881131409. The next prime is 881131457. The reversal of 881131424 is 424131188.

It is a happy number.

881131424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 698016400 + 183115024 = 26420^2 + 13532^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 27535357 = 881131424 / (8 + 8 + 1 + 1 + 3 + 1 + 4 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13767647 + ... + 13767710.

Almost surely, 2^881131424 is an apocalyptic number.

It is an amenable number.

881131424 is a deficient number, since it is larger than the sum of its proper divisors (853596130).

881131424 is a wasteful number, since it uses less digits than its factorization.

881131424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535367 (or 27535359 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 881131424 is about 29683.8579702841. The cubic root of 881131424 is about 958.6944869995.

The spelling of 881131424 in words is "eight hundred eighty-one million, one hundred thirty-one thousand, four hundred twenty-four".