27398696265 has 12 divisors (see below), whose sum is σ = 47491073604. Its totient is φ = 14612637984.

The previous prime is 27398696239. The next prime is 27398696279. The reversal of 27398696265 is 56269689372.

It can be written as a sum of positive squares in 2 ways, for example, as 6444396729 + 20954299536 = 80277^2 + 144756^2 .

It is not a de Polignac number, because 27398696265 - 2¹⁰ = 27398695241 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 304429914 + ... + 304430003.

It is an arithmetic number, because the mean of its divisors is an integer number (3957589467).

Almost surely, 2^27398696265 is an apocalyptic number.

It is an amenable number.

27398696265 is a deficient number, since it is larger than the sum of its proper divisors (20092377339).

27398696265 is a wasteful number, since it uses less digits than its factorization.

27398696265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608859928 (or 608859925 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 27398696265 in words is "twenty-seven billion, three hundred ninety-eight million, six hundred ninety-six thousand, two hundred sixty-five".