985729907 has 2 divisors, whose sum is σ = 985729908. Its totient is φ = 985729906.

The previous prime is 985729897. The next prime is 985729939. The reversal of 985729907 is 709927589.

985729907 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 is a cyclic number.

It is not a de Polignac number, because 985729907 - 2⁴ = 985729891 is a prime.

It is not a weakly prime, because it can be changed into another prime (985729957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492864953 + 492864954.

It is an arithmetic number, because the mean of its divisors is an integer number (492864954).

Almost surely, 2^985729907 is an apocalyptic number.

985729907 is a deficient number, since it is larger than the sum of its proper divisors (1).

985729907 is an equidigital number, since it uses as much as digits as its factorization.

985729907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 985729907 is about 31396.3358849405. The cubic root of 985729907 is about 995.2204950597.

The spelling of 985729907 in words is "nine hundred eighty-five million, seven hundred twenty-nine thousand, nine hundred seven".