27768712270 has 32 divisors (see below), whose sum is σ = 53860256352. Its totient is φ = 10247029632.

The previous prime is 27768712243. The next prime is 27768712277. The reversal of 27768712270 is 7221786772.

It is a super-2 number, since 2×27768712270² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768712277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162004 + ... + 285976.

It is an arithmetic number, because the mean of its divisors is an integer number (1683133011).

Almost surely, 2^27768712270 is an apocalyptic number.

27768712270 is a deficient number, since it is larger than the sum of its proper divisors (26091544082).

27768712270 is a wasteful number, since it uses less digits than its factorization.

27768712270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125716.

The product of its (nonzero) digits is 921984, while the sum is 49.

The spelling of 27768712270 in words is "twenty-seven billion, seven hundred sixty-eight million, seven hundred twelve thousand, two hundred seventy".