86448609 has 12 divisors (see below), whose sum is σ = 134475796. Its totient is φ = 53199072.

The previous prime is 86448601. The next prime is 86448611. The reversal of 86448609 is 90684468.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12006225 + 74442384 = 3465^2 + 8628^2 .

It is not a de Polignac number, because 86448609 - 2³ = 86448601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86448601) 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 11 ways as a sum of consecutive naturals, for example, 369322 + ... + 369555.

Almost surely, 2^86448609 is an apocalyptic number.

It is an amenable number.

86448609 is a deficient number, since it is larger than the sum of its proper divisors (48027187).

86448609 is a wasteful number, since it uses less digits than its factorization.

86448609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738896 (or 738893 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 86448609 is about 9297.7744111158. The cubic root of 86448609 is about 442.1666703528.

The spelling of 86448609 in words is "eighty-six million, four hundred forty-eight thousand, six hundred nine".