85300109 has 4 divisors (see below), whose sum is σ = 85333404. Its totient is φ = 85266816.

The previous prime is 85300081. The next prime is 85300153. The reversal of 85300109 is 90100358.

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 64048009 + 21252100 = 8003^2 + 4610^2 .

It is a cyclic number.

It is not a de Polignac number, because 85300109 - 2²⁰ = 84251533 is a prime.

It is a super-2 number, since 2×85300109² = 14552217190823762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85300199) 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 3 ways as a sum of consecutive naturals, for example, 12452 + ... + 18045.

It is an arithmetic number, because the mean of its divisors is an integer number (21333351).

Almost surely, 2^85300109 is an apocalyptic number.

It is an amenable number.

85300109 is a deficient number, since it is larger than the sum of its proper divisors (33295).

85300109 is a wasteful number, since it uses less digits than its factorization.

85300109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33294.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 85300109 is about 9235.8058121639. The cubic root of 85300109 is about 440.1998214295.

The spelling of 85300109 in words is "eighty-five million, three hundred thousand, one hundred nine".