85940854273 has 4 divisors (see below), whose sum is σ = 90996198660. Its totient is φ = 80885509888.

The previous prime is 85940854261. The next prime is 85940854319. The reversal of 85940854273 is 37245804958.

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 39719294209 + 46221560064 = 199297^2 + 214992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85940854273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85940854673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527672168 + ... + 2527672201.

It is an arithmetic number, because the mean of its divisors is an integer number (22749049665).

Almost surely, 2^85940854273 is an apocalyptic number.

It is an amenable number.

85940854273 is a deficient number, since it is larger than the sum of its proper divisors (5055344387).

85940854273 is a wasteful number, since it uses less digits than its factorization.

85940854273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055344386.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 85940854273 in words is "eighty-five billion, nine hundred forty million, eight hundred fifty-four thousand, two hundred seventy-three".