28882859672817 has 12 divisors (see below), whose sum is σ = 43158296063220. Its totient is φ = 18591265996128.

The previous prime is 28882859672783. The next prime is 28882859672833. The reversal of 28882859672817 is 71827695828882.

28882859672817 is a `hidden beast` number, since 2 + 8 + 8 + 8 + 2 + 8 + 596 + 7 + 2 + 8 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16198121546721 + 12684738126096 = 4024689^2 + 3561564^2 .

It is not a de Polignac number, because 28882859672817 - 2¹⁶ = 28882859607281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28882859672617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55331148538 + ... + 55331149059.

It is an arithmetic number, because the mean of its divisors is an integer number (3596524671935).

Almost surely, 2^{28882859672817} is an apocalyptic number.

It is an amenable number.

28882859672817 is a deficient number, since it is larger than the sum of its proper divisors (14275436390403).

28882859672817 is a wasteful number, since it uses less digits than its factorization.

28882859672817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110662297632 (or 110662297629 counting only the distinct ones).

The product of its digits is 3468165120, while the sum is 81.

The spelling of 28882859672817 in words is "twenty-eight trillion, eight hundred eighty-two billion, eight hundred fifty-nine million, six hundred seventy-two thousand, eight hundred seventeen".