8484857197 has 4 divisors (see below), whose sum is σ = 8489870620. Its totient is φ = 8479843776.

The previous prime is 8484857119. The next prime is 8484857209. The reversal of 8484857197 is 7917584848.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3577714596 + 4907142601 = 59814^2 + 70051^2 .

It is a cyclic number.

It is not a de Polignac number, because 8484857197 - 2¹¹ = 8484855149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8484867197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504172 + ... + 2507557.

It is an arithmetic number, because the mean of its divisors is an integer number (2122467655).

Almost surely, 2^8484857197 is an apocalyptic number.

It is an amenable number.

8484857197 is a deficient number, since it is larger than the sum of its proper divisors (5013423).

8484857197 is a wasteful number, since it uses less digits than its factorization.

8484857197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013422.

The product of its digits is 18063360, while the sum is 61.

The square root of 8484857197 is about 92113.2845847981. The cubic root of 8484857197 is about 2039.6149148980.

The spelling of 8484857197 in words is "eight billion, four hundred eighty-four million, eight hundred fifty-seven thousand, one hundred ninety-seven".