86207641 has 8 divisors (see below), whose sum is σ = 93759624. Its totient is φ = 78787200.

The previous prime is 86207623. The next prime is 86207651. The reversal of 86207641 is 14670268.

It can be written as a sum of positive squares in 4 ways, for example, as 47817225 + 38390416 = 6915^2 + 6196^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 86207641 - 2⁵ = 86207609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86207597 and 86207606.

It is not an unprimeable number, because it can be changed into a prime (86207651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31516 + ... + 34141.

It is an arithmetic number, because the mean of its divisors is an integer number (11719953).

Almost surely, 2^86207641 is an apocalyptic number.

It is an amenable number.

86207641 is a deficient number, since it is larger than the sum of its proper divisors (7551983).

86207641 is a wasteful number, since it uses less digits than its factorization.

86207641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65771.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 86207641 is about 9284.8069985326. The cubic root of 86207641 is about 441.7554542911.

It can be divided in two parts, 8620 and 7641, that added together give a palindrome (16261).

The spelling of 86207641 in words is "eighty-six million, two hundred seven thousand, six hundred forty-one".