86212205 has 16 divisors (see below), whose sum is σ = 106311744. Its totient is φ = 67079040.

The previous prime is 86212201. The next prime is 86212213. The reversal of 86212205 is 50221268.

It is not a de Polignac number, because 86212205 - 2² = 86212201 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 (86212201) 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, 59702 + ... + 61128.

It is an arithmetic number, because the mean of its divisors is an integer number (6644484).

Almost surely, 2^86212205 is an apocalyptic number.

It is an amenable number.

86212205 is a deficient number, since it is larger than the sum of its proper divisors (20099539).

86212205 is a wasteful number, since it uses less digits than its factorization.

86212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 86212205 is about 9285.0527731403. The cubic root of 86212205 is about 441.7632499508.

The spelling of 86212205 in words is "eighty-six million, two hundred twelve thousand, two hundred five".