86018566 has 8 divisors (see below), whose sum is σ = 129086424. Its totient is φ = 42989760.

The previous prime is 86018563. The next prime is 86018579. The reversal of 86018566 is 66581068.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86018563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (16135803).

Almost surely, 2^86018566 is an apocalyptic number.

86018566 is a deficient number, since it is larger than the sum of its proper divisors (43067858).

86018566 is a wasteful number, since it uses less digits than its factorization.

86018566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19526.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 86018566 is about 9274.6194531097. The cubic root of 86018566 is about 441.4322576859.

The spelling of 86018566 in words is "eighty-six million, eighteen thousand, five hundred sixty-six".