27726866134 has 24 divisors (see below), whose sum is σ = 46687634784. Its totient is φ = 12334964400.

The previous prime is 27726866081. The next prime is 27726866143. The reversal of 27726866134 is 43166862772.

It is a super-2 number, since 2×27726866134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1207497 + ... + 1230244.

It is an arithmetic number, because the mean of its divisors is an integer number (1945318116).

Almost surely, 2^27726866134 is an apocalyptic number.

27726866134 is a deficient number, since it is larger than the sum of its proper divisors (18960768650).

27726866134 is a wasteful number, since it uses less digits than its factorization.

27726866134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437812 (or 2437801 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The spelling of 27726866134 in words is "twenty-seven billion, seven hundred twenty-six million, eight hundred sixty-six thousand, one hundred thirty-four".