85605580347 has 8 divisors (see below), whose sum is σ = 130446598656. Its totient is φ = 48917474472.

The previous prime is 85605580297. The next prime is 85605580351. The reversal of 85605580347 is 74308550658.

It is a happy number.

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

It is not a de Polignac number, because 85605580347 - 2⁸ = 85605580091 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 85605580347.

It is not an unprimeable number, because it can be changed into a prime (85605580367) 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, 2038228083 + ... + 2038228124.

It is an arithmetic number, because the mean of its divisors is an integer number (16305824832).

Almost surely, 2^85605580347 is an apocalyptic number.

85605580347 is a deficient number, since it is larger than the sum of its proper divisors (44841018309).

85605580347 is a wasteful number, since it uses less digits than its factorization.

85605580347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076456217.

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 85605580347 in words is "eighty-five billion, six hundred five million, five hundred eighty thousand, three hundred forty-seven".