86018534 has 16 divisors (see below), whose sum is σ = 147591936. Its totient is φ = 36832200.

The previous prime is 86018531. The next prime is 86018539. The reversal of 86018534 is 43581068.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86018494 and 86018503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86018531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20039 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (9224496).

Almost surely, 2^86018534 is an apocalyptic number.

86018534 is a deficient number, since it is larger than the sum of its proper divisors (61573402).

86018534 is a wasteful number, since it uses less digits than its factorization.

86018534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 86018534 is about 9274.6177279713. The cubic root of 86018534 is about 441.4322029464.

The spelling of 86018534 in words is "eighty-six million, eighteen thousand, five hundred thirty-four".