84130427817228 has 24 divisors (see below), whose sum is σ = 211404664771888. Its totient is φ = 25886285482176.

The previous prime is 84130427817173. The next prime is 84130427817259. The reversal of 84130427817228 is 82271872403148.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 269648806951 + ... + 269648807262.

Almost surely, 2^{84130427817228} is an apocalyptic number.

It is an amenable number.

84130427817228 is an abundant number, since it is smaller than the sum of its proper divisors (127274236954660).

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

84130427817228 is a wasteful number, since it uses less digits than its factorization.

84130427817228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539297614233 (or 539297614231 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 57.

The spelling of 84130427817228 in words is "eighty-four trillion, one hundred thirty billion, four hundred twenty-seven million, eight hundred seventeen thousand, two hundred twenty-eight".