855616383 has 12 divisors (see below), whose sum is σ = 1236226368. Its totient is φ = 570255840.

The previous prime is 855616367. The next prime is 855616393. The reversal of 855616383 is 383616558.

855616383 is a `hidden beast` number, since 8 + 5 + 5 + 6 + 1 + 638 + 3 = 666.

It is not a de Polignac number, because 855616383 - 2⁴ = 855616367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855616343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29266 + ... + 50672.

It is an arithmetic number, because the mean of its divisors is an integer number (103018864).

Almost surely, 2^855616383 is an apocalyptic number.

855616383 is a deficient number, since it is larger than the sum of its proper divisors (380609985).

855616383 is a wasteful number, since it uses less digits than its factorization.

855616383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25854 (or 25851 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 855616383 is about 29250.9210624213. The cubic root of 855616383 is about 949.3500200273.

The spelling of 855616383 in words is "eight hundred fifty-five million, six hundred sixteen thousand, three hundred eighty-three".