28341628812 has 360 divisors, whose sum is σ = 91935575424. Its totient is φ = 7564741632.

The previous prime is 28341628801. The next prime is 28341628823. The reversal of 28341628812 is 21882614382.

28341628812 is a `hidden beast` number, since 2 + 8 + 3 + 4 + 1 + 628 + 8 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (28341628801) and next prime (28341628823).

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 119 ways as a sum of consecutive naturals, for example, 46691013 + ... + 46691619.

Almost surely, 2^28341628812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28341628812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45967787712).

28341628812 is an abundant number, since it is smaller than the sum of its proper divisors (63593946612).

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

28341628812 is a wasteful number, since it uses less digits than its factorization.

28341628812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 809 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The spelling of 28341628812 in words is "twenty-eight billion, three hundred forty-one million, six hundred twenty-eight thousand, eight hundred twelve".