885716129 has 2 divisors, whose sum is σ = 885716130. Its totient is φ = 885716128.

The previous prime is 885716119. The next prime is 885716149. The reversal of 885716129 is 921617588.

885716129 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., 545129104 + 340587025 = 23348^2 + 18455^2 .

It is a cyclic number.

It is not a de Polignac number, because 885716129 - 2⁴ = 885716113 is a prime.

It is a super-2 number, since 2×885716129² = 1568986122341489282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (885716119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442858064 + 442858065.

It is an arithmetic number, because the mean of its divisors is an integer number (442858065).

Almost surely, 2^885716129 is an apocalyptic number.

It is an amenable number.

885716129 is a deficient number, since it is larger than the sum of its proper divisors (1).

885716129 is an equidigital number, since it uses as much as digits as its factorization.

885716129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 47.

The square root of 885716129 is about 29760.9833338887. The cubic root of 885716129 is about 960.3543718485.

The spelling of 885716129 in words is "eight hundred eighty-five million, seven hundred sixteen thousand, one hundred twenty-nine".