4285004855 has 4 divisors (see below), whose sum is σ = 5142005832. Its totient is φ = 3428003880.

The previous prime is 4285004831. The next prime is 4285004869. The reversal of 4285004855 is 5584005824.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4285004855 - 2⁸ = 4285004599 is a prime.

It is a super-4 number, since 4×4285004855⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

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, 428500481 + ... + 428500490.

It is an arithmetic number, because the mean of its divisors is an integer number (1285501458).

Almost surely, 2^4285004855 is an apocalyptic number.

4285004855 is a deficient number, since it is larger than the sum of its proper divisors (857000977).

4285004855 is an equidigital number, since it uses as much as digits as its factorization.

4285004855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857000976.

The product of its (nonzero) digits is 256000, while the sum is 41.

The square root of 4285004855 is about 65459.9484799675. The cubic root of 4285004855 is about 1624.2408894642.

The spelling of 4285004855 in words is "four billion, two hundred eighty-five million, four thousand, eight hundred fifty-five".