28057745170 has 64 divisors (see below), whose sum is σ = 65430247680. Its totient is φ = 8412450048.

The previous prime is 28057745167. The next prime is 28057745203. The reversal of 28057745170 is 7154775082.

It is a self number, because there is not a number n which added to its sum of digits gives 28057745170.

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 31 ways as a sum of consecutive naturals, for example, 794097 + ... + 828676.

It is an arithmetic number, because the mean of its divisors is an integer number (1022347620).

Almost surely, 2^28057745170 is an apocalyptic number.

28057745170 is an abundant number, since it is smaller than the sum of its proper divisors (37372502510).

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

28057745170 is a wasteful number, since it uses less digits than its factorization.

28057745170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622819.

The product of its (nonzero) digits is 548800, while the sum is 46.

The spelling of 28057745170 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-five thousand, one hundred seventy".