85889829 has 16 divisors (see below), whose sum is σ = 116811072. Its totient is φ = 56124288.

The previous prime is 85889807. The next prime is 85889849. The reversal of 85889829 is 92898858.

It is not a de Polignac number, because 85889829 - 2⁹ = 85889317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85889849) 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 15 ways as a sum of consecutive naturals, for example, 36754 + ... + 39020.

It is an arithmetic number, because the mean of its divisors is an integer number (7300692).

Almost surely, 2^85889829 is an apocalyptic number.

It is an amenable number.

85889829 is a deficient number, since it is larger than the sum of its proper divisors (30921243).

85889829 is a wasteful number, since it uses less digits than its factorization.

85889829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516.

The product of its digits is 3317760, while the sum is 57.

The square root of 85889829 is about 9267.6765696694. The cubic root of 85889829 is about 441.2119291333.

The spelling of 85889829 in words is "eighty-five million, eight hundred eighty-nine thousand, eight hundred twenty-nine".