28677277682 has 4 divisors (see below), whose sum is σ = 43015916526. Its totient is φ = 14338638840.

The previous prime is 28677277661. The next prime is 28677277823.

28677277682 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21851048041 + 6826229641 = 147821^2 + 82621^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7169319419 + ... + 7169319422.

Almost surely, 2^28677277682 is an apocalyptic number.

28677277682 is a deficient number, since it is larger than the sum of its proper divisors (14338638844).

28677277682 is a wasteful number, since it uses less digits than its factorization.

28677277682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14338638843.

The product of its digits is 44255232, while the sum is 62.

The spelling of 28677277682 in words is "twenty-eight billion, six hundred seventy-seven million, two hundred seventy-seven thousand, six hundred eighty-two".