85029647 has 2 divisors, whose sum is σ = 85029648. Its totient is φ = 85029646.

The previous prime is 85029641. The next prime is 85029697. The reversal of 85029647 is 74692058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85029647 - 2¹⁴ = 85013263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85029641) 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, 42514823 + 42514824.

It is an arithmetic number, because the mean of its divisors is an integer number (42514824).

Almost surely, 2^85029647 is an apocalyptic number.

85029647 is a deficient number, since it is larger than the sum of its proper divisors (1).

85029647 is an equidigital number, since it uses as much as digits as its factorization.

85029647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 85029647 is about 9221.1521514396. The cubic root of 85029647 is about 439.7340800225.

The spelling of 85029647 in words is "eighty-five million, twenty-nine thousand, six hundred forty-seven".