86285566 has 16 divisors (see below), whose sum is σ = 133122528. Its totient is φ = 41920000.

The previous prime is 86285543. The next prime is 86285567. The reversal of 86285566 is 66558268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86285567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19566 + ... + 23566.

It is an arithmetic number, because the mean of its divisors is an integer number (8320158).

Almost surely, 2^86285566 is an apocalyptic number.

86285566 is a deficient number, since it is larger than the sum of its proper divisors (46836962).

86285566 is a wasteful number, since it uses less digits than its factorization.

86285566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307.

The product of its digits is 691200, while the sum is 46.

The square root of 86285566 is about 9289.0024222195. The cubic root of 86285566 is about 441.8885183924. Note that the first 3 decimals are identical.

The spelling of 86285566 in words is "eighty-six million, two hundred eighty-five thousand, five hundred sixty-six".