86503219 has 16 divisors (see below), whose sum is σ = 100028160. Its totient is φ = 73980000.

The previous prime is 86503217. The next prime is 86503223. The reversal of 86503219 is 91230568.

It is a cyclic number.

It is not a de Polignac number, because 86503219 - 2¹ = 86503217 is a prime.

It is a super-2 number, since 2×86503219² = 14965613794723922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86503213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30189 + ... + 32929.

It is an arithmetic number, because the mean of its divisors is an integer number (6251760).

Almost surely, 2^86503219 is an apocalyptic number.

86503219 is a deficient number, since it is larger than the sum of its proper divisors (13524941).

86503219 is a wasteful number, since it uses less digits than its factorization.

86503219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 86503219 is about 9300.7106717713. The cubic root of 86503219 is about 442.2597570217.

It can be divided in two parts, 86 and 503219, that added together give a palindrome (503305).

The spelling of 86503219 in words is "eighty-six million, five hundred three thousand, two hundred nineteen".