8128443486 has 8 divisors (see below), whose sum is σ = 16256886984. Its totient is φ = 2709481160.

The previous prime is 8128443469. The next prime is 8128443541. The reversal of 8128443486 is 6843448218.

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

8128443486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677370285 + ... + 677370296.

It is an arithmetic number, because the mean of its divisors is an integer number (2032110873).

Almost surely, 2^8128443486 is an apocalyptic number.

8128443486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8128443486 is a wasteful number, since it uses less digits than its factorization.

8128443486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354740586.

The product of its digits is 1179648, while the sum is 48.

The square root of 8128443486 is about 90157.8808868088. The cubic root of 8128443486 is about 2010.6468455997.

The spelling of 8128443486 in words is "eight billion, one hundred twenty-eight million, four hundred forty-three thousand, four hundred eighty-six".