86201218 has 8 divisors (see below), whose sum is σ = 129346812. Its totient is φ = 43085616.

The previous prime is 86201201. The next prime is 86201221. The reversal of 86201218 is 81210268.

It can be written as a sum of positive squares in 2 ways, for example, as 75916369 + 10284849 = 8713^2 + 3207^2 .

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

It is a super-3 number, since 3×86201218³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196 + ... + 13312.

Almost surely, 2^86201218 is an apocalyptic number.

86201218 is a deficient number, since it is larger than the sum of its proper divisors (43145594).

86201218 is a wasteful number, since it uses less digits than its factorization.

86201218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 86201218 is about 9284.4611044476. The cubic root of 86201218 is about 441.7444828516.

The spelling of 86201218 in words is "eighty-six million, two hundred one thousand, two hundred eighteen".