85273040318 has 4 divisors (see below), whose sum is σ = 127909560480. Its totient is φ = 42636520158.

The previous prime is 85273040311. The next prime is 85273040357. The reversal of 85273040318 is 81304037258.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×85273040318² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85273040311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21318260078 + ... + 21318260081.

It is an arithmetic number, because the mean of its divisors is an integer number (31977390120).

Almost surely, 2^85273040318 is an apocalyptic number.

85273040318 is a deficient number, since it is larger than the sum of its proper divisors (42636520162).

85273040318 is a wasteful number, since it uses less digits than its factorization.

85273040318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42636520161.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 85273040318 in words is "eighty-five billion, two hundred seventy-three million, forty thousand, three hundred eighteen".