85846664859 has 8 divisors (see below), whose sum is σ = 114467177040. Its totient is φ = 57228631296.

The previous prime is 85846664851. The next prime is 85846664993. The reversal of 85846664859 is 95846664858.

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

It is not a de Polignac number, because 85846664859 - 2³ = 85846664851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85846664793 and 85846664802.

It is not an unprimeable number, because it can be changed into a prime (85846664851) 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, 537274 + ... + 678495.

It is an arithmetic number, because the mean of its divisors is an integer number (14308397130).

Almost surely, 2^85846664859 is an apocalyptic number.

85846664859 is a deficient number, since it is larger than the sum of its proper divisors (28620512181).

85846664859 is a wasteful number, since it uses less digits than its factorization.

85846664859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239309.

The product of its digits is 398131200, while the sum is 69.

Subtracting 85846664859 from its reverse (95846664858), we obtain a palindrome (9999999999).

The spelling of 85846664859 in words is "eighty-five billion, eight hundred forty-six million, six hundred sixty-four thousand, eight hundred fifty-nine".