85662029 has 2 divisors, whose sum is σ = 85662030. Its totient is φ = 85662028.

The previous prime is 85662019. The next prime is 85662043. The reversal of 85662029 is 92026658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 9012004 = 8755^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 85662029 - 2¹² = 85657933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85661983 and 85662001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85662019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42831014 + 42831015.

It is an arithmetic number, because the mean of its divisors is an integer number (42831015).

Almost surely, 2^85662029 is an apocalyptic number.

It is an amenable number.

85662029 is a deficient number, since it is larger than the sum of its proper divisors (1).

85662029 is an equidigital number, since it uses as much as digits as its factorization.

85662029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 85662029 is about 9255.3783823245. The cubic root of 85662029 is about 440.8215178867.

The spelling of 85662029 in words is "eighty-five million, six hundred sixty-two thousand, twenty-nine".