85458830305 has 4 divisors (see below), whose sum is σ = 102550596372. Its totient is φ = 68367064240.

The previous prime is 85458830267. The next prime is 85458830381. The reversal of 85458830305 is 50303885458.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50303885458 = 2 ⋅25151942729.

It can be written as a sum of positive squares in 2 ways, for example, as 10986603489 + 74472226816 = 104817^2 + 272896^2 .

It is a de Polignac number, because none of the positive numbers 2^k-85458830305 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8545883026 + ... + 8545883035.

It is an arithmetic number, because the mean of its divisors is an integer number (25637649093).

Almost surely, 2^85458830305 is an apocalyptic number.

It is an amenable number.

85458830305 is a deficient number, since it is larger than the sum of its proper divisors (17091766067).

85458830305 is a wasteful number, since it uses less digits than its factorization.

85458830305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17091766066.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 85458830305 in words is "eighty-five billion, four hundred fifty-eight million, eight hundred thirty thousand, three hundred five".