28865376265 has 16 divisors (see below), whose sum is σ = 37808171136. Its totient is φ = 20981462400.

The previous prime is 28865376263. The next prime is 28865376299. The reversal of 28865376265 is 56267356882.

It is not a de Polignac number, because 28865376265 - 2¹ = 28865376263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28865376263) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42612 + ... + 244021.

It is an arithmetic number, because the mean of its divisors is an integer number (2363010696).

Almost surely, 2^28865376265 is an apocalyptic number.

It is an amenable number.

28865376265 is a deficient number, since it is larger than the sum of its proper divisors (8942794871).

28865376265 is a wasteful number, since it uses less digits than its factorization.

28865376265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288480.

The product of its digits is 29030400, while the sum is 58.

The spelling of 28865376265 in words is "twenty-eight billion, eight hundred sixty-five million, three hundred seventy-six thousand, two hundred sixty-five".