881973913 has 2 divisors, whose sum is σ = 881973914. Its totient is φ = 881973912.

The previous prime is 881973907. The next prime is 881973931. The reversal of 881973913 is 319379188.

881973913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (881973931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476636224 + 405337689 = 21832^2 + 20133^2 .

It is a cyclic number.

It is not a de Polignac number, because 881973913 - 2⁹ = 881973401 is a prime.

It is not a weakly prime, because it can be changed into another prime (881979913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440986956 + 440986957.

It is an arithmetic number, because the mean of its divisors is an integer number (440986957).

Almost surely, 2^881973913 is an apocalyptic number.

It is an amenable number.

881973913 is a deficient number, since it is larger than the sum of its proper divisors (1).

881973913 is an equidigital number, since it uses as much as digits as its factorization.

881973913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 49.

The square root of 881973913 is about 29698.0456090969. The cubic root of 881973913 is about 958.9999398342. Note that the first 4 decimals are identical.

The spelling of 881973913 in words is "eight hundred eighty-one million, nine hundred seventy-three thousand, nine hundred thirteen".