86748448609 has 4 divisors (see below), whose sum is σ = 87025600516. Its totient is φ = 86471296704.

The previous prime is 86748448601. The next prime is 86748448667. The reversal of 86748448609 is 90684484768.

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 22905309025 + 63843139584 = 151345^2 + 252672^2 .

It is a cyclic number.

It is not a de Polignac number, because 86748448609 - 2³ = 86748448601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86748448601) 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, 138575484 + ... + 138576109.

It is an arithmetic number, because the mean of its divisors is an integer number (21756400129).

Almost surely, 2^86748448609 is an apocalyptic number.

It is an amenable number.

86748448609 is a deficient number, since it is larger than the sum of its proper divisors (277151907).

86748448609 is a wasteful number, since it uses less digits than its factorization.

86748448609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277151906.

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 86748448609 in words is "eighty-six billion, seven hundred forty-eight million, four hundred forty-eight thousand, six hundred nine".