85335828805 has 4 divisors (see below), whose sum is σ = 102402994572. Its totient is φ = 68268663040.

The previous prime is 85335828791. The next prime is 85335828869. The reversal of 85335828805 is 50882853358.

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 53663575716 + 31672253089 = 231654^2 + 177967^2 .

It is not a de Polignac number, because 85335828805 - 2¹⁵ = 85335796037 is a prime.

It is a Duffinian number.

It is a congruent 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, 8533582876 + ... + 8533582885.

It is an arithmetic number, because the mean of its divisors is an integer number (25600748643).

Almost surely, 2^85335828805 is an apocalyptic number.

It is an amenable number.

85335828805 is a deficient number, since it is larger than the sum of its proper divisors (17067165767).

85335828805 is a wasteful number, since it uses less digits than its factorization.

85335828805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17067165766.

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 85335828805 in words is "eighty-five billion, three hundred thirty-five million, eight hundred twenty-eight thousand, eight hundred five".