85000641 has 8 divisors (see below), whose sum is σ = 123637344. Its totient is φ = 51515520.

The previous prime is 85000621. The next prime is 85000673. The reversal of 85000641 is 14600058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85000641 - 2⁶ = 85000577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85000621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287856 + ... + 1287921.

It is an arithmetic number, because the mean of its divisors is an integer number (15454668).

Almost surely, 2^85000641 is an apocalyptic number.

It is an amenable number.

85000641 is a deficient number, since it is larger than the sum of its proper divisors (38636703).

85000641 is a wasteful number, since it uses less digits than its factorization.

85000641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575791.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 85000641 is about 9219.5792203332. The cubic root of 85000641 is about 439.6840724553.

Adding to 85000641 its reverse (14600058), we get a palindrome (99600699).

The spelling of 85000641 in words is "eighty-five million, six hundred forty-one", and thus it is an aban number.