85384355243 has 8 divisors (see below), whose sum is σ = 93816690240. Its totient is φ = 77063707080.

The previous prime is 85384355239. The next prime is 85384355267. The reversal of 85384355243 is 34255348358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85384355243 - 2² = 85384355239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85384355191 and 85384355200.

It is not an unprimeable number, because it can be changed into a prime (85384355213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27920105 + ... + 27923162.

It is an arithmetic number, because the mean of its divisors is an integer number (11727086280).

Almost surely, 2^85384355243 is an apocalyptic number.

85384355243 is a deficient number, since it is larger than the sum of its proper divisors (8432334997).

85384355243 is a wasteful number, since it uses less digits than its factorization.

85384355243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55843417.

The product of its digits is 6912000, while the sum is 50.

The spelling of 85384355243 in words is "eighty-five billion, three hundred eighty-four million, three hundred fifty-five thousand, two hundred forty-three".