27768525712 has 40 divisors (see below), whose sum is σ = 55032120576. Its totient is φ = 13567612416.

The previous prime is 27768525709. The next prime is 27768525727. The reversal of 27768525712 is 21752586772.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27768525712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458008 + ... + 515080.

Almost surely, 2^27768525712 is an apocalyptic number.

It is an amenable number.

27768525712 is a deficient number, since it is larger than the sum of its proper divisors (27263594864).

27768525712 is a wasteful number, since it uses less digits than its factorization.

27768525712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57775 (or 57769 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 52.

The spelling of 27768525712 in words is "twenty-seven billion, seven hundred sixty-eight million, five hundred twenty-five thousand, seven hundred twelve".