28864602800999 has 24 divisors (see below), whose sum is σ = 34492639673520. Its totient is φ = 24066855582336.

The previous prime is 28864602800963. The next prime is 28864602801019. The reversal of 28864602800999 is 99900820646882.

It is not a de Polignac number, because 28864602800999 - 2²⁸ = 28864334365543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28864602800939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6031979 + ... + 9701235.

It is an arithmetic number, because the mean of its divisors is an integer number (1437193319730).

Almost surely, 2^{28864602800999} is an apocalyptic number.

28864602800999 is a deficient number, since it is larger than the sum of its proper divisors (5628036872521).

28864602800999 is a wasteful number, since it uses less digits than its factorization.

28864602800999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673647 (or 3673640 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 71.

The spelling of 28864602800999 in words is "twenty-eight trillion, eight hundred sixty-four billion, six hundred two million, eight hundred thousand, nine hundred ninety-nine".