85262832005 has 32 divisors (see below), whose sum is σ = 113295073248. Its totient is φ = 61190553600.

The previous prime is 85262831977. The next prime is 85262832007. The reversal of 85262832005 is 50023826258.

It is a Cunningham number, because it is equal to 291998²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 49204999684 + 36057832321 = 221822^2 + 189889^2 .

It is not a de Polignac number, because 85262832005 - 2¹⁰ = 85262830981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85262832007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2098685 + ... + 2138925.

It is an arithmetic number, because the mean of its divisors is an integer number (3540471039).

Almost surely, 2^85262832005 is an apocalyptic number.

It is an amenable number.

85262832005 is a deficient number, since it is larger than the sum of its proper divisors (28032241243).

85262832005 is a wasteful number, since it uses less digits than its factorization.

85262832005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41177.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 85262832005 in words is "eighty-five billion, two hundred sixty-two million, eight hundred thirty-two thousand, five".