881323633 has 2 divisors, whose sum is σ = 881323634. Its totient is φ = 881323632.

The previous prime is 881323613. The next prime is 881323643. The reversal of 881323633 is 336323188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 867125809 + 14197824 = 29447^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 881323633 - 2¹³ = 881315441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 881323592 and 881323601.

It is not a weakly prime, because it can be changed into another prime (881323613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440661816 + 440661817.

It is an arithmetic number, because the mean of its divisors is an integer number (440661817).

Almost surely, 2^881323633 is an apocalyptic number.

It is an amenable number.

881323633 is a deficient number, since it is larger than the sum of its proper divisors (1).

881323633 is an equidigital number, since it uses as much as digits as its factorization.

881323633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 881323633 is about 29687.0953951376. The cubic root of 881323633 is about 958.7641914372.

The spelling of 881323633 in words is "eight hundred eighty-one million, three hundred twenty-three thousand, six hundred thirty-three".