27100238239 has 2 divisors, whose sum is σ = 27100238240. Its totient is φ = 27100238238.

The previous prime is 27100238233. The next prime is 27100238309. The reversal of 27100238239 is 93283200172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27100238239 - 2²⁷ = 26966020511 is a prime.

It is a super-2 number, since 2×27100238239² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27100238198 and 27100238207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27100238233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13550119119 + 13550119120.

It is an arithmetic number, because the mean of its divisors is an integer number (13550119120).

Almost surely, 2^27100238239 is an apocalyptic number.

27100238239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27100238239 is an equidigital number, since it uses as much as digits as its factorization.

27100238239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 27100238239 in words is "twenty-seven billion, one hundred million, two hundred thirty-eight thousand, two hundred thirty-nine".