27775505102 has 32 divisors (see below), whose sum is σ = 43975846080. Its totient is φ = 13137080320.

The previous prime is 27775505077. The next prime is 27775505113. The reversal of 27775505102 is 20150557772.

27775505102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 27775505102.

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 15 ways as a sum of consecutive naturals, for example, 2277902 + ... + 2290062.

It is an arithmetic number, because the mean of its divisors is an integer number (1374245190).

Almost surely, 2^27775505102 is an apocalyptic number.

27775505102 is a deficient number, since it is larger than the sum of its proper divisors (16200340978).

27775505102 is a wasteful number, since it uses less digits than its factorization.

27775505102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12988.

The product of its (nonzero) digits is 171500, while the sum is 41.

The spelling of 27775505102 in words is "twenty-seven billion, seven hundred seventy-five million, five hundred five thousand, one hundred two".