28545414064 has 10 divisors (see below), whose sum is σ = 55306739780. Its totient is φ = 14272707024.

The previous prime is 28545414061. The next prime is 28545414071. The reversal of 28545414064 is 46041454582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28545414064.

It is not an unprimeable number, because it can be changed into a prime (28545414061) by changing a digit.

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 as a sum of consecutive naturals, namely, 892044174 + ... + 892044205.

It is an arithmetic number, because the mean of its divisors is an integer number (5530673978).

Almost surely, 2^28545414064 is an apocalyptic number.

It is an amenable number.

28545414064 is a deficient number, since it is larger than the sum of its proper divisors (26761325716).

28545414064 is a wasteful number, since it uses less digits than its factorization.

28545414064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784088387 (or 1784088381 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 28545414064 in words is "twenty-eight billion, five hundred forty-five million, four hundred fourteen thousand, sixty-four".