855848559 has 8 divisors (see below), whose sum is σ = 1201191040. Its totient is φ = 540535896.

The previous prime is 855848549. The next prime is 855848563. The reversal of 855848559 is 955848558.

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

It is not a de Polignac number, because 855848559 - 2⁷ = 855848431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 15014887 = 855848559 / (8 + 5 + 5 + 8 + 4 + 8 + 5 + 5 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855848499 and 855848508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855848509) 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, 7507387 + ... + 7507500.

It is an arithmetic number, because the mean of its divisors is an integer number (150148880).

Almost surely, 2^855848559 is an apocalyptic number.

855848559 is a deficient number, since it is larger than the sum of its proper divisors (345342481).

855848559 is a wasteful number, since it uses less digits than its factorization.

855848559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014909.

The product of its digits is 11520000, while the sum is 57.

The square root of 855848559 is about 29254.8894887675. The cubic root of 855848559 is about 949.4358826329.

Subtracting 855848559 from its reverse (955848558), we obtain a palindrome (99999999).

The spelling of 855848559 in words is "eight hundred fifty-five million, eight hundred forty-eight thousand, five hundred fifty-nine".