86848661 has 2 divisors, whose sum is σ = 86848662. Its totient is φ = 86848660.

The previous prime is 86848613. The next prime is 86848669. The reversal of 86848661 is 16684868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86843761 + 4900 = 9319^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 86848661 - 2¹⁰ = 86847637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86848669) 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 as a sum of consecutive naturals, namely, 43424330 + 43424331.

It is an arithmetic number, because the mean of its divisors is an integer number (43424331).

Almost surely, 2^86848661 is an apocalyptic number.

It is an amenable number.

86848661 is a deficient number, since it is larger than the sum of its proper divisors (1).

86848661 is an equidigital number, since it uses as much as digits as its factorization.

86848661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 86848661 is about 9319.2629000367. The cubic root of 86848661 is about 442.8476818899.

The spelling of 86848661 in words is "eighty-six million, eight hundred forty-eight thousand, six hundred sixty-one".