85306641 has 8 divisors (see below), whose sum is σ = 129991104. Its totient is φ = 48746640.

The previous prime is 85306633. The next prime is 85306679. The reversal of 85306641 is 14660358.

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

It is not a de Polignac number, because 85306641 - 2³ = 85306633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85306621) 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, 2031090 + ... + 2031131.

It is an arithmetic number, because the mean of its divisors is an integer number (16248888).

Almost surely, 2^85306641 is an apocalyptic number.

It is an amenable number.

85306641 is a deficient number, since it is larger than the sum of its proper divisors (44684463).

85306641 is a wasteful number, since it uses less digits than its factorization.

85306641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062231.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 85306641 is about 9236.1594291134. The cubic root of 85306641 is about 440.2110574911.

Adding to 85306641 its reverse (14660358), we get a palindrome (99966999).

The spelling of 85306641 in words is "eighty-five million, three hundred six thousand, six hundred forty-one".