85029671 has 4 divisors (see below), whose sum is σ = 86227344. Its totient is φ = 83832000.

The previous prime is 85029647. The next prime is 85029697. The reversal of 85029671 is 17692058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85029671 - 2²⁶ = 17920807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 598730 + ... + 598871.

It is an arithmetic number, because the mean of its divisors is an integer number (21556836).

Almost surely, 2^85029671 is an apocalyptic number.

85029671 is a deficient number, since it is larger than the sum of its proper divisors (1197673).

85029671 is a wasteful number, since it uses less digits than its factorization.

85029671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197672.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 85029671 is about 9221.1534527954. The cubic root of 85029671 is about 439.7341213948.

The spelling of 85029671 in words is "eighty-five million, twenty-nine thousand, six hundred seventy-one".