27286732433138 has 16 divisors (see below), whose sum is σ = 42718404378240. Its totient is φ = 13047506979936.

The previous prime is 27286732433137. The next prime is 27286732433141. The reversal of 27286732433138 is 83133423768272.

It is not an unprimeable number, because it can be changed into a prime (27286732433137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60440870 + ... + 60890657.

It is an arithmetic number, because the mean of its divisors is an integer number (2669900273640).

Almost surely, 2^{27286732433138} is an apocalyptic number.

27286732433138 is a deficient number, since it is larger than the sum of its proper divisors (15431671945102).

27286732433138 is a wasteful number, since it uses less digits than its factorization.

27286732433138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121336441.

The product of its digits is 48771072, while the sum is 59.

The spelling of 27286732433138 in words is "twenty-seven trillion, two hundred eighty-six billion, seven hundred thirty-two million, four hundred thirty-three thousand, one hundred thirty-eight".