85029929 has 4 divisors (see below), whose sum is σ = 85699584. Its totient is φ = 84360276.

The previous prime is 85029881. The next prime is 85029947. The reversal of 85029929 is 92992058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85029929 - 2²⁰ = 83981353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85029929.

It is not an unprimeable number, because it can be changed into a prime (85029629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334637 + ... + 334890.

It is an arithmetic number, because the mean of its divisors is an integer number (21424896).

Almost surely, 2^85029929 is an apocalyptic number.

It is an amenable number.

85029929 is a deficient number, since it is larger than the sum of its proper divisors (669655).

85029929 is a wasteful number, since it uses less digits than its factorization.

85029929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669654.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 85029929 is about 9221.1674423578. The cubic root of 85029929 is about 439.7345661466.

It can be divided in two parts, 85029 and 929, that added together give a palindrome (85958).

The spelling of 85029929 in words is "eighty-five million, twenty-nine thousand, nine hundred twenty-nine".