28345425968 has 40 divisors (see below), whose sum is σ = 55196284176. Its totient is φ = 14101401600.

The previous prime is 28345425947. The next prime is 28345426049. The reversal of 28345425968 is 86952454382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2754080 + ... + 2764352.

Almost surely, 2^28345425968 is an apocalyptic number.

It is an amenable number.

28345425968 is a deficient number, since it is larger than the sum of its proper divisors (26850858208).

28345425968 is a wasteful number, since it uses less digits than its factorization.

28345425968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133 (or 11127 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 56.

The spelling of 28345425968 in words is "twenty-eight billion, three hundred forty-five million, four hundred twenty-five thousand, nine hundred sixty-eight".