27748154764 has 12 divisors (see below), whose sum is σ = 52973750088. Its totient is φ = 12612797600.

The previous prime is 27748154761. The next prime is 27748154771. The reversal of 27748154764 is 46745184772.

It is not an unprimeable number, because it can be changed into a prime (27748154761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315319897 + ... + 315319984.

It is an arithmetic number, because the mean of its divisors is an integer number (4414479174).

Almost surely, 2^27748154764 is an apocalyptic number.

It is an amenable number.

27748154764 is a deficient number, since it is larger than the sum of its proper divisors (25225595324).

27748154764 is a wasteful number, since it uses less digits than its factorization.

27748154764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630639896 (or 630639894 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 55.

The spelling of 27748154764 in words is "twenty-seven billion, seven hundred forty-eight million, one hundred fifty-four thousand, seven hundred sixty-four".