28297295282 has 8 divisors (see below), whose sum is σ = 42922863900. Its totient is φ = 13989673984.

The previous prime is 28297295281. The next prime is 28297295291. The reversal of 28297295282 is 28259279282.

It can be written as a sum of positive squares in 2 ways, for example, as 28023094801 + 274200481 = 167401^2 + 16559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28297295281) 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 3 ways as a sum of consecutive naturals, for example, 79486607 + ... + 79486962.

Almost surely, 2^28297295282 is an apocalyptic number.

28297295282 is a deficient number, since it is larger than the sum of its proper divisors (14625568618).

28297295282 is a wasteful number, since it uses less digits than its factorization.

28297295282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158973660.

The product of its digits is 5806080, while the sum is 56.

The spelling of 28297295282 in words is "twenty-eight billion, two hundred ninety-seven million, two hundred ninety-five thousand, two hundred eighty-two".