86223639218 has 8 divisors (see below), whose sum is σ = 129900243180. Its totient is φ = 42923558160.

The previous prime is 86223639197. The next prime is 86223639253. The reversal of 86223639218 is 81293632268.

It can be written as a sum of positive squares in 2 ways, for example, as 77010135049 + 9213504169 = 277507^2 + 95987^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94130153 + ... + 94131068.

Almost surely, 2^86223639218 is an apocalyptic number.

86223639218 is a deficient number, since it is larger than the sum of its proper divisors (43676603962).

86223639218 is a wasteful number, since it uses less digits than its factorization.

86223639218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188261452.

The product of its digits is 1492992, while the sum is 50.

The spelling of 86223639218 in words is "eighty-six billion, two hundred twenty-three million, six hundred thirty-nine thousand, two hundred eighteen".