85433880705 has 32 divisors (see below), whose sum is σ = 139942370304. Its totient is φ = 44483065536.

The previous prime is 85433880683. The next prime is 85433880737. The reversal of 85433880705 is 50708833458.

It is not a de Polignac number, because 85433880705 - 2¹⁵ = 85433847937 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1314382 + ... + 1377848.

It is an arithmetic number, because the mean of its divisors is an integer number (4373199072).

Almost surely, 2^85433880705 is an apocalyptic number.

It is an amenable number.

85433880705 is a deficient number, since it is larger than the sum of its proper divisors (54508489599).

85433880705 is a wasteful number, since it uses less digits than its factorization.

85433880705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65605.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 85433880705 in words is "eighty-five billion, four hundred thirty-three million, eight hundred eighty thousand, seven hundred five".