885713729 has 2 divisors, whose sum is σ = 885713730. Its totient is φ = 885713728.

The previous prime is 885713701. The next prime is 885713791. The reversal of 885713729 is 927317588.

885713729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495730225 + 389983504 = 22265^2 + 19748^2 .

It is a cyclic number.

It is not a de Polignac number, because 885713729 - 2¹⁶ = 885648193 is a prime.

It is not a weakly prime, because it can be changed into another prime (885713429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442856864 + 442856865.

It is an arithmetic number, because the mean of its divisors is an integer number (442856865).

Almost surely, 2^885713729 is an apocalyptic number.

It is an amenable number.

885713729 is a deficient number, since it is larger than the sum of its proper divisors (1).

885713729 is an equidigital number, since it uses as much as digits as its factorization.

885713729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The square root of 885713729 is about 29760.9430126130. The cubic root of 885713729 is about 960.3535044327.

The spelling of 885713729 in words is "eight hundred eighty-five million, seven hundred thirteen thousand, seven hundred twenty-nine".