86205101 has 4 divisors (see below), whose sum is σ = 86968092. Its totient is φ = 85442112.

The previous prime is 86205073. The next prime is 86205121. The reversal of 86205101 is 10150268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 624100 + 85581001 = 790^2 + 9251^2 .

It is a cyclic number.

It is not a de Polignac number, because 86205101 - 2¹⁰ = 86204077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86205121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381326 + ... + 381551.

It is an arithmetic number, because the mean of its divisors is an integer number (21742023).

Almost surely, 2^86205101 is an apocalyptic number.

It is an amenable number.

86205101 is a deficient number, since it is larger than the sum of its proper divisors (762991).

86205101 is a wasteful number, since it uses less digits than its factorization.

86205101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762990.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 86205101 is about 9284.6702149296. The cubic root of 86205101 is about 441.7511156584.

Adding to 86205101 its reverse (10150268), we get a palindrome (96355369).

The spelling of 86205101 in words is "eighty-six million, two hundred five thousand, one hundred one".