8128478886 has 32 divisors (see below), whose sum is σ = 17852334336. Its totient is φ = 2446860000.

The previous prime is 8128478857. The next prime is 8128478887. The reversal of 8128478886 is 6888748218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8128478887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397845 + ... + 417776.

It is an arithmetic number, because the mean of its divisors is an integer number (557885448).

Almost surely, 2^8128478886 is an apocalyptic number.

8128478886 is an abundant number, since it is smaller than the sum of its proper divisors (9723855450).

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

8128478886 is a wasteful number, since it uses less digits than its factorization.

8128478886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815788.

The product of its digits is 11010048, while the sum is 60.

The square root of 8128478886 is about 90158.0772088669. The cubic root of 8128478886 is about 2010.6497644363.

The spelling of 8128478886 in words is "eight billion, one hundred twenty-eight million, four hundred seventy-eight thousand, eight hundred eighty-six".