28769717682 has 12 divisors (see below), whose sum is σ = 62334388350. Its totient is φ = 9589905888.

The previous prime is 28769717681. The next prime is 28769717723. The reversal of 28769717682 is 28671796782.

It can be written as a sum of positive squares in only one way, i.e., 23488934121 + 5280783561 = 153261^2 + 72669^2 .

It is not an unprimeable number, because it can be changed into a prime (28769717681) 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 5 ways as a sum of consecutive naturals, for example, 799158807 + ... + 799158842.

Almost surely, 2^28769717682 is an apocalyptic number.

28769717682 is an abundant number, since it is smaller than the sum of its proper divisors (33564670668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28769717682 is a wasteful number, since it uses less digits than its factorization.

28769717682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598317657 (or 1598317654 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The spelling of 28769717682 in words is "twenty-eight billion, seven hundred sixty-nine million, seven hundred seventeen thousand, six hundred eighty-two".