28203245570 has 16 divisors (see below), whose sum is σ = 51069832128. Its totient is φ = 11213744880.

The previous prime is 28203245569. The next prime is 28203245591. The reversal of 28203245570 is 7554230282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8442416 + ... + 8445755.

It is an arithmetic number, because the mean of its divisors is an integer number (3191864508).

Almost surely, 2^28203245570 is an apocalyptic number.

28203245570 is a deficient number, since it is larger than the sum of its proper divisors (22866586558).

28203245570 is a wasteful number, since it uses less digits than its factorization.

28203245570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888345.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 28203245570 in words is "twenty-eight billion, two hundred three million, two hundred forty-five thousand, five hundred seventy".