27698410648 has 16 divisors (see below), whose sum is σ = 52058475000. Its totient is φ = 13816150656.

The previous prime is 27698410639. The next prime is 27698410673. The reversal of 27698410648 is 84601489672.

It is a happy number.

It is a congruent number.

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, 4128273 + ... + 4134976.

Almost surely, 2^27698410648 is an apocalyptic number.

It is an amenable number.

27698410648 is a deficient number, since it is larger than the sum of its proper divisors (24360064352).

27698410648 is a wasteful number, since it uses less digits than its factorization.

27698410648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263674 (or 8263670 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 27698410648 in words is "twenty-seven billion, six hundred ninety-eight million, four hundred ten thousand, six hundred forty-eight".