85861101 has 16 divisors (see below), whose sum is σ = 122040000. Its totient is φ = 53507328.

The previous prime is 85861091. The next prime is 85861123. The reversal of 85861101 is 10116858.

It is a happy number.

It is not a de Polignac number, because 85861101 - 2⁹ = 85860589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85860101) 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, 1950 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (7627500).

Almost surely, 2^85861101 is an apocalyptic number.

It is an amenable number.

85861101 is a deficient number, since it is larger than the sum of its proper divisors (36178899).

85861101 is a wasteful number, since it uses less digits than its factorization.

85861101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11468.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 85861101 is about 9266.1265370164. The cubic root of 85861101 is about 441.1627321955.

Adding to 85861101 its reverse (10116858), we get a palindrome (95977959).

The spelling of 85861101 in words is "eighty-five million, eight hundred sixty-one thousand, one hundred one".