28315838170 has 16 divisors (see below), whose sum is σ = 51000254208. Its totient is φ = 11319280720.

The previous prime is 28315838153. The next prime is 28315838171. The reversal of 28315838170 is 7183851382.

It is a self number, because there is not a number n which added to its sum of digits gives 28315838170.

It is not an unprimeable number, because it can be changed into a prime (28315838171) by changing a digit.

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, 864946 + ... + 897085.

It is an arithmetic number, because the mean of its divisors is an integer number (3187515888).

Almost surely, 2^28315838170 is an apocalyptic number.

28315838170 is a deficient number, since it is larger than the sum of its proper divisors (22684416038).

28315838170 is a wasteful number, since it uses less digits than its factorization.

28315838170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763645.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 28315838170 in words is "twenty-eight billion, three hundred fifteen million, eight hundred thirty-eight thousand, one hundred seventy".