27696869672 has 16 divisors (see below), whose sum is σ = 51954879060. Its totient is φ = 13842235264.

The previous prime is 27696869663. The next prime is 27696869713.

27696869672 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 20330767396 + 7366102276 = 142586^2 + 85826^2 .

It is an unprimeable number.

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, 755933 + ... + 791724.

Almost surely, 2^27696869672 is an apocalyptic number.

It is an amenable number.

27696869672 is a deficient number, since it is larger than the sum of its proper divisors (24258009388).

27696869672 is a wasteful number, since it uses less digits than its factorization.

27696869672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549900 (or 1549896 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 68.

The spelling of 27696869672 in words is "twenty-seven billion, six hundred ninety-six million, eight hundred sixty-nine thousand, six hundred seventy-two".