27775191760868 has 24 divisors (see below), whose sum is σ = 49272880517280. Its totient is φ = 13697229384000.

The previous prime is 27775191760861. The next prime is 27775191760873. The reversal of 27775191760868 is 86806719157772.

It is a super-2 number, since 2×27775191760868² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27775191760795 and 27775191760804.

It is not an unprimeable number, because it can be changed into a prime (27775191760861) by changing a digit.

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, 36998243 + ... + 37741493.

It is an arithmetic number, because the mean of its divisors is an integer number (2053036688220).

Almost surely, 2^{27775191760868} is an apocalyptic number.

It is an amenable number.

27775191760868 is a deficient number, since it is larger than the sum of its proper divisors (21497688756412).

27775191760868 is a wasteful number, since it uses less digits than its factorization.

27775191760868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871307 (or 871305 counting only the distinct ones).

The product of its (nonzero) digits is 497871360, while the sum is 74.

The spelling of 27775191760868 in words is "twenty-seven trillion, seven hundred seventy-five billion, one hundred ninety-one million, seven hundred sixty thousand, eight hundred sixty-eight".