855800030 has 8 divisors (see below), whose sum is σ = 1540440072. Its totient is φ = 342320008.

The previous prime is 855800003. The next prime is 855800051. The reversal of 855800030 is 30008558.

855800030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 855799966 and 855800002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42789992 + ... + 42790011.

It is an arithmetic number, because the mean of its divisors is an integer number (192555009).

Almost surely, 2^855800030 is an apocalyptic number.

855800030 is a deficient number, since it is larger than the sum of its proper divisors (684640042).

855800030 is a wasteful number, since it uses less digits than its factorization.

855800030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85580010.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 855800030 is about 29254.0600601011. The cubic root of 855800030 is about 949.4179370730.

Adding to 855800030 its reverse (30008558), we get a palindrome (885808588).

The spelling of 855800030 in words is "eight hundred fifty-five million, eight hundred thousand, thirty".