28304707995 has 24 divisors (see below), whose sum is σ = 49109160672. Its totient is φ = 15081177600.

The previous prime is 28304707979. The next prime is 28304707999. The reversal of 28304707995 is 59970740382.

28304707995 is a `hidden beast` number, since 2 + 83 + 0 + 470 + 7 + 9 + 95 = 666.

It is not a de Polignac number, because 28304707995 - 2⁴ = 28304707979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28304707999) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 258646 + ... + 351435.

It is an arithmetic number, because the mean of its divisors is an integer number (2046215028).

Almost surely, 2^28304707995 is an apocalyptic number.

28304707995 is a deficient number, since it is larger than the sum of its proper divisors (20804452677).

28304707995 is a wasteful number, since it uses less digits than its factorization.

28304707995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611123 (or 611120 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 28304707995 in words is "twenty-eight billion, three hundred four million, seven hundred seven thousand, nine hundred ninety-five".