8408544197 has 4 divisors (see below), whose sum is σ = 8410073280. Its totient is φ = 8407015116.

The previous prime is 8408544167. The next prime is 8408544211. The reversal of 8408544197 is 7914458048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8408544197 - 2¹⁸ = 8408282053 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 (8408544167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756263 + ... + 767300.

It is an arithmetic number, because the mean of its divisors is an integer number (2102518320).

Almost surely, 2^8408544197 is an apocalyptic number.

It is an amenable number.

8408544197 is a deficient number, since it is larger than the sum of its proper divisors (1529083).

8408544197 is a wasteful number, since it uses less digits than its factorization.

8408544197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529082.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 8408544197 is about 91698.1144680740. The cubic root of 8408544197 is about 2033.4817094955.

The spelling of 8408544197 in words is "eight billion, four hundred eight million, five hundred forty-four thousand, one hundred ninety-seven".