86619480305 has 4 divisors (see below), whose sum is σ = 103943376372. Its totient is φ = 69295584240.

The previous prime is 86619480293. The next prime is 86619480319. The reversal of 86619480305 is 50308491668.

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 60941340769 + 25678139536 = 246863^2 + 160244^2 .

It is not a de Polignac number, because 86619480305 - 2⁴ = 86619480289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8661948026 + ... + 8661948035.

It is an arithmetic number, because the mean of its divisors is an integer number (25985844093).

Almost surely, 2^86619480305 is an apocalyptic number.

It is an amenable number.

86619480305 is a deficient number, since it is larger than the sum of its proper divisors (17323896067).

86619480305 is a wasteful number, since it uses less digits than its factorization.

86619480305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17323896066.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 86619480305 in words is "eighty-six billion, six hundred nineteen million, four hundred eighty thousand, three hundred five".