85847641 has 16 divisors (see below), whose sum is σ = 95477760. Its totient is φ = 76536720.

The previous prime is 85847633. The next prime is 85847687. The reversal of 85847641 is 14674858.

It is a cyclic number.

It is not a de Polignac number, because 85847641 - 2³ = 85847633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85847341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193566 + ... + 194008.

It is an arithmetic number, because the mean of its divisors is an integer number (5967360).

Almost surely, 2^85847641 is an apocalyptic number.

It is an amenable number.

85847641 is a deficient number, since it is larger than the sum of its proper divisors (9630119).

85847641 is a wasteful number, since it uses less digits than its factorization.

85847641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 215040, while the sum is 43.

The square root of 85847641 is about 9265.4002072226. The cubic root of 85847641 is about 441.1396780587.

The spelling of 85847641 in words is "eighty-five million, eight hundred forty-seven thousand, six hundred forty-one".