86566636 has 24 divisors (see below), whose sum is σ = 163452240. Its totient is φ = 39878592.

The previous prime is 86566633. The next prime is 86566661. The reversal of 86566636 is 63666568.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86566633) 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, 33975 + ... + 36433.

It is an arithmetic number, because the mean of its divisors is an integer number (6810510).

Almost surely, 2^86566636 is an apocalyptic number.

It is an amenable number.

86566636 is a deficient number, since it is larger than the sum of its proper divisors (76885604).

86566636 is a wasteful number, since it uses less digits than its factorization.

86566636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3151 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 86566636 is about 9304.1193027605. The cubic root of 86566636 is about 442.3678067037.

The spelling of 86566636 in words is "eighty-six million, five hundred sixty-six thousand, six hundred thirty-six".