85228941313 has 4 divisors (see below), whose sum is σ = 85229625348. Its totient is φ = 85228257280.

The previous prime is 85228941277. The next prime is 85228941353. The reversal of 85228941313 is 31314982258.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 41108779009 + 44120162304 = 202753^2 + 210048^2 .

It is a cyclic number.

It is not a de Polignac number, because 85228941313 - 2¹³ = 85228933121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85228941353) 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, 96256 + ... + 423937.

It is an arithmetic number, because the mean of its divisors is an integer number (21307406337).

Almost surely, 2^85228941313 is an apocalyptic number.

It is an amenable number.

85228941313 is a deficient number, since it is larger than the sum of its proper divisors (684035).

85228941313 is a wasteful number, since it uses less digits than its factorization.

85228941313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684034.

The product of its digits is 414720, while the sum is 46.

The spelling of 85228941313 in words is "eighty-five billion, two hundred twenty-eight million, nine hundred forty-one thousand, three hundred thirteen".