85837873859 has 4 divisors (see below), whose sum is σ = 85855139616. Its totient is φ = 85820608104.

The previous prime is 85837873853. The next prime is 85837873861. The reversal of 85837873859 is 95837873858.

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

It is a cyclic number.

It is not a de Polignac number, because 85837873859 - 2⁴ = 85837873843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85837873792 and 85837873801.

It is not an unprimeable number, because it can be changed into a prime (85837873853) 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, 8625419 + ... + 8635364.

It is an arithmetic number, because the mean of its divisors is an integer number (21463784904).

Almost surely, 2^85837873859 is an apocalyptic number.

85837873859 is a deficient number, since it is larger than the sum of its proper divisors (17265757).

85837873859 is a wasteful number, since it uses less digits than its factorization.

85837873859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17265756.

The product of its digits is 406425600, while the sum is 71.

Subtracting 85837873859 from its reverse (95837873858), we obtain a palindrome (9999999999).

The spelling of 85837873859 in words is "eighty-five billion, eight hundred thirty-seven million, eight hundred seventy-three thousand, eight hundred fifty-nine".