27775561882 has 16 divisors (see below), whose sum is σ = 43861851360. Its totient is φ = 13155134832.

The previous prime is 27775561867. The next prime is 27775561907. The reversal of 27775561882 is 28816557772.

It is a super-2 number, since 2×27775561882² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 277548 + ... + 364120.

It is an arithmetic number, because the mean of its divisors is an integer number (2741365710).

Almost surely, 2^27775561882 is an apocalyptic number.

27775561882 is a deficient number, since it is larger than the sum of its proper divisors (16086289478).

27775561882 is a wasteful number, since it uses less digits than its factorization.

27775561882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95037.

The product of its digits is 13171200, while the sum is 58.

The spelling of 27775561882 in words is "twenty-seven billion, seven hundred seventy-five million, five hundred sixty-one thousand, eight hundred eighty-two".