28303125945 has 16 divisors (see below), whose sum is σ = 46389514752. Its totient is φ = 14726829440.

The previous prime is 28303125923. The next prime is 28303125979. The reversal of 28303125945 is 54952130382.

It is not a de Polignac number, because 28303125945 - 2⁸ = 28303125689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28303125897 and 28303125906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23010057 + ... + 23011286.

It is an arithmetic number, because the mean of its divisors is an integer number (2899344672).

Almost surely, 2^28303125945 is an apocalyptic number.

It is an amenable number.

28303125945 is a deficient number, since it is larger than the sum of its proper divisors (18086388807).

28303125945 is a wasteful number, since it uses less digits than its factorization.

28303125945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46021392.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 28303125945 in words is "twenty-eight billion, three hundred three million, one hundred twenty-five thousand, nine hundred forty-five".