27768385250 has 16 divisors (see below), whose sum is σ = 51982417656. Its totient is φ = 11107354000.

The previous prime is 27768385199. The next prime is 27768385273. The reversal of 27768385250 is 5258386772.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12086583721 + 15681801529 = 109939^2 + 125227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27768385192 and 27768385201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55536521 + ... + 55537020.

Almost surely, 2^27768385250 is an apocalyptic number.

27768385250 is a deficient number, since it is larger than the sum of its proper divisors (24214032406).

27768385250 is a wasteful number, since it uses less digits than its factorization.

27768385250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111073558 (or 111073548 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 27768385250 in words is "twenty-seven billion, seven hundred sixty-eight million, three hundred eighty-five thousand, two hundred fifty".