895978729 has 2 divisors, whose sum is σ = 895978730. Its totient is φ = 895978728.

The previous prime is 895978711. The next prime is 895978757. The reversal of 895978729 is 927879598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865948329 + 30030400 = 29427^2 + 5480^2 .

It is a cyclic number.

It is not a de Polignac number, because 895978729 - 2⁵ = 895978697 is a prime.

It is not a weakly prime, because it can be changed into another prime (895978429) 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, 447989364 + 447989365.

It is an arithmetic number, because the mean of its divisors is an integer number (447989365).

Almost surely, 2^895978729 is an apocalyptic number.

It is an amenable number.

895978729 is a deficient number, since it is larger than the sum of its proper divisors (1).

895978729 is an equidigital number, since it uses as much as digits as its factorization.

895978729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 64.

The square root of 895978729 is about 29932.9037849655. The cubic root of 895978729 is about 964.0492767204.

The spelling of 895978729 in words is "eight hundred ninety-five million, nine hundred seventy-eight thousand, seven hundred twenty-nine".