27968196654 has 24 divisors (see below), whose sum is σ = 62007011352. Its totient is φ = 9105924240.

The previous prime is 27968196649. The next prime is 27968196671. The reversal of 27968196654 is 45669186972.

It is a junction number, because it is equal to n+sod(n) for n = 27968196591 and 27968196600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18066537 + ... + 18068084.

It is an arithmetic number, because the mean of its divisors is an integer number (2583625473).

Almost surely, 2^27968196654 is an apocalyptic number.

27968196654 is an abundant number, since it is smaller than the sum of its proper divisors (34038814698).

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

27968196654 is a wasteful number, since it uses less digits than its factorization.

27968196654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134672 (or 36134669 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 27968196654 in words is "twenty-seven billion, nine hundred sixty-eight million, one hundred ninety-six thousand, six hundred fifty-four".