86655361 has 4 divisors (see below), whose sum is σ = 93321172. Its totient is φ = 79989552.

The previous prime is 86655353. The next prime is 86655367. The reversal of 86655361 is 16355668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8439025 + 78216336 = 2905^2 + 8844^2 .

It is a cyclic number.

It is not a de Polignac number, because 86655361 - 2³ = 86655353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86655367) 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, 3332886 + ... + 3332911.

It is an arithmetic number, because the mean of its divisors is an integer number (23330293).

Almost surely, 2^86655361 is an apocalyptic number.

It is an amenable number.

86655361 is a deficient number, since it is larger than the sum of its proper divisors (6665811).

86655361 is a wasteful number, since it uses less digits than its factorization.

86655361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665810.

The product of its digits is 129600, while the sum is 40.

The square root of 86655361 is about 9308.8861310041. The cubic root of 86655361 is about 442.5188875507.

The spelling of 86655361 in words is "eighty-six million, six hundred fifty-five thousand, three hundred sixty-one".