28866872296 has 16 divisors (see below), whose sum is σ = 55445517540. Its totient is φ = 14081400960.

The previous prime is 28866872291. The next prime is 28866872303. The reversal of 28866872296 is 69227866882.

It can be written as a sum of positive squares in 2 ways, for example, as 17739576100 + 11127296196 = 133190^2 + 105486^2 .

It is not an unprimeable number, because it can be changed into a prime (28866872291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44004051 + ... + 44004706.

Almost surely, 2^28866872296 is an apocalyptic number.

It is an amenable number.

28866872296 is a deficient number, since it is larger than the sum of its proper divisors (26578645244).

28866872296 is a wasteful number, since it uses less digits than its factorization.

28866872296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88008804 (or 88008800 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 64.

The spelling of 28866872296 in words is "twenty-eight billion, eight hundred sixty-six million, eight hundred seventy-two thousand, two hundred ninety-six".