855966359 has 8 divisors (see below), whose sum is σ = 909767040. Its totient is φ = 803040696.

The previous prime is 855966347. The next prime is 855966373. The reversal of 855966359 is 953669558.

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 855966359 - 2²⁸ = 587530903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855966329) 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, 216737 + ... + 220650.

It is an arithmetic number, because the mean of its divisors is an integer number (113720880).

Almost surely, 2^855966359 is an apocalyptic number.

855966359 is a deficient number, since it is larger than the sum of its proper divisors (53800681).

855966359 is a wasteful number, since it uses less digits than its factorization.

855966359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437509.

The product of its digits is 8748000, while the sum is 56.

The square root of 855966359 is about 29256.9027581526. The cubic root of 855966359 is about 949.4794411242.

The spelling of 855966359 in words is "eight hundred fifty-five million, nine hundred sixty-six thousand, three hundred fifty-nine".