27750180768 has 48 divisors (see below), whose sum is σ = 73375968960. Its totient is φ = 9182537216.

The previous prime is 27750180743. The next prime is 27750180779. The reversal of 27750180768 is 86708105772.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) 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 27750180768.

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, 1041828 + ... + 1068131.

It is an arithmetic number, because the mean of its divisors is an integer number (1528666020).

Almost surely, 2^27750180768 is an apocalyptic number.

It is an amenable number.

27750180768 is an abundant number, since it is smaller than the sum of its proper divisors (45625788192).

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

27750180768 is a wasteful number, since it uses less digits than its factorization.

27750180768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110109 (or 2110101 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 27750180768 in words is "twenty-seven billion, seven hundred fifty million, one hundred eighty thousand, seven hundred sixty-eight".