86232661 has 2 divisors, whose sum is σ = 86232662. Its totient is φ = 86232660.

The previous prime is 86232649. The next prime is 86232683. The reversal of 86232661 is 16623268.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 1703025 = 9194^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 86232661 - 2²¹ = 84135509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86232161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43116330 + 43116331.

It is an arithmetic number, because the mean of its divisors is an integer number (43116331).

Almost surely, 2^86232661 is an apocalyptic number.

It is an amenable number.

86232661 is a deficient number, since it is larger than the sum of its proper divisors (1).

86232661 is an equidigital number, since it uses as much as digits as its factorization.

86232661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 86232661 is about 9286.1542632028. The cubic root of 86232661 is about 441.7981869779.

The spelling of 86232661 in words is "eighty-six million, two hundred thirty-two thousand, six hundred sixty-one".