27134664878 has 16 divisors (see below), whose sum is σ = 40775665920. Its totient is φ = 13542795000.

The previous prime is 27134664853. The next prime is 27134664913. The reversal of 27134664878 is 87846643172.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361113 + ... + 5366171.

It is an arithmetic number, because the mean of its divisors is an integer number (2548479120).

Almost surely, 2^27134664878 is an apocalyptic number.

27134664878 is a deficient number, since it is larger than the sum of its proper divisors (13641001042).

27134664878 is a wasteful number, since it uses less digits than its factorization.

27134664878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383.

The product of its digits is 10838016, while the sum is 56.

The spelling of 27134664878 in words is "twenty-seven billion, one hundred thirty-four million, six hundred sixty-four thousand, eight hundred seventy-eight".