850800855 has 32 divisors (see below), whose sum is σ = 1387286208. Its totient is φ = 445132800.

The previous prime is 850800851. The next prime is 850800857. The reversal of 850800855 is 558008058.

It is not a de Polignac number, because 850800855 - 2² = 850800851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850800851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420807 + ... + 422823.

It is an arithmetic number, because the mean of its divisors is an integer number (43352694).

Almost surely, 2^850800855 is an apocalyptic number.

850800855 is a deficient number, since it is larger than the sum of its proper divisors (536485353).

850800855 is a wasteful number, since it uses less digits than its factorization.

850800855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 64000, while the sum is 39.

The square root of 850800855 is about 29168.4907905774. The cubic root of 850800855 is about 947.5656436073.

The spelling of 850800855 in words is "eight hundred fifty million, eight hundred thousand, eight hundred fifty-five".