8428943574 has 24 divisors (see below), whose sum is σ = 18316916280. Its totient is φ = 2801308608.

The previous prime is 8428943557. The next prime is 8428943651. The reversal of 8428943574 is 4753498248.

8428943574 is a `hidden beast` number, since 8 + 4 + 28 + 9 + 43 + 574 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8428943574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688704 + ... + 700835.

It is an arithmetic number, because the mean of its divisors is an integer number (763204845).

Almost surely, 2^8428943574 is an apocalyptic number.

8428943574 is an abundant number, since it is smaller than the sum of its proper divisors (9887972706).

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

8428943574 is a wasteful number, since it uses less digits than its factorization.

8428943574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389884 (or 1389881 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 8428943574 is about 91809.2782566120. The cubic root of 8428943574 is about 2035.1248104041.

The spelling of 8428943574 in words is "eight billion, four hundred twenty-eight million, nine hundred forty-three thousand, five hundred seventy-four".