2028717816 has 32 divisors (see below), whose sum is σ = 5074617600. Its totient is φ = 675862880.

The previous prime is 2028717793. The next prime is 2028717827. The reversal of 2028717816 is 6187178202.

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 7 ways as a sum of consecutive naturals, for example, 22315 + ... + 67493.

It is an arithmetic number, because the mean of its divisors is an integer number (158581800).

Almost surely, 2^2028717816 is an apocalyptic number.

It is an amenable number.

2028717816 is an abundant number, since it is smaller than the sum of its proper divisors (3045899784).

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

2028717816 is a wasteful number, since it uses less digits than its factorization.

2028717816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47059 (or 47055 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 2028717816 is about 45041.2901236188. The cubic root of 2028717816 is about 1265.9227782961.

The spelling of 2028717816 in words is "two billion, twenty-eight million, seven hundred seventeen thousand, eight hundred sixteen".