8201855455 has 8 divisors (see below), whose sum is σ = 10082281104. Its totient is φ = 6401448000.

The previous prime is 8201855449. The next prime is 8201855489. The reversal of 8201855455 is 5545581028.

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

It is not a de Polignac number, because 8201855455 - 2⁷ = 8201855327 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 20004321 + ... + 20004730.

It is an arithmetic number, because the mean of its divisors is an integer number (1260285138).

Almost surely, 2^8201855455 is an apocalyptic number.

8201855455 is a deficient number, since it is larger than the sum of its proper divisors (1880425649).

8201855455 is a wasteful number, since it uses less digits than its factorization.

8201855455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40009097.

The product of its (nonzero) digits is 320000, while the sum is 43.

The square root of 8201855455 is about 90564.0958382515. The cubic root of 8201855455 is about 2016.6817604984.

The spelling of 8201855455 in words is "eight billion, two hundred one million, eight hundred fifty-five thousand, four hundred fifty-five".