85889853 has 12 divisors (see below), whose sum is σ = 141786528. Its totient is φ = 49079880.

The previous prime is 85889849. The next prime is 85889879. The reversal of 85889853 is 35898858.

85889853 is a `hidden beast` number, since 8 + 588 + 9 + 8 + 53 = 666.

It is not a de Polignac number, because 85889853 - 2² = 85889849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85889853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85889653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681603 + ... + 681728.

It is an arithmetic number, because the mean of its divisors is an integer number (11815544).

Almost surely, 2^85889853 is an apocalyptic number.

It is an amenable number.

85889853 is a deficient number, since it is larger than the sum of its proper divisors (55896675).

85889853 is a wasteful number, since it uses less digits than its factorization.

85889853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363344 (or 1363341 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 85889853 is about 9267.6778644923. The cubic root of 85889853 is about 441.2119702289.

The spelling of 85889853 in words is "eighty-five million, eight hundred eighty-nine thousand, eight hundred fifty-three".