86285664 has 36 divisors (see below), whose sum is σ = 245375676. Its totient is φ = 28761792.

The previous prime is 86285663. The next prime is 86285699. The reversal of 86285664 is 46658268.

86285664 is a `hidden beast` number, since 86 + 2 + 8 + 566 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86285663) 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 5 ways as a sum of consecutive naturals, for example, 149514 + ... + 150089.

It is an arithmetic number, because the mean of its divisors is an integer number (6815991).

Almost surely, 2^86285664 is an apocalyptic number.

It is an amenable number.

86285664 is an abundant number, since it is smaller than the sum of its proper divisors (159090012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86285664 is a wasteful number, since it uses less digits than its factorization.

86285664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299619 (or 299608 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 86285664 is about 9289.0076972732. The cubic root of 86285664 is about 441.8886856860. Note that the first 3 decimals are identical.

The spelling of 86285664 in words is "eighty-six million, two hundred eighty-five thousand, six hundred sixty-four".