27043875829 has 2 divisors, whose sum is σ = 27043875830. Its totient is φ = 27043875828.

The previous prime is 27043875827. The next prime is 27043875841. The reversal of 27043875829 is 92857834072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14587083729 + 12456792100 = 120777^2 + 111610^2 .

It is a cyclic number.

It is not a de Polignac number, because 27043875829 - 2¹ = 27043875827 is a prime.

Together with 27043875827, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27043875829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27043875827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521937914 + 13521937915.

It is an arithmetic number, because the mean of its divisors is an integer number (13521937915).

Almost surely, 2^27043875829 is an apocalyptic number.

It is an amenable number.

27043875829 is a deficient number, since it is larger than the sum of its proper divisors (1).

27043875829 is an equidigital number, since it uses as much as digits as its factorization.

27043875829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 27043875829 in words is "twenty-seven billion, forty-three million, eight hundred seventy-five thousand, eight hundred twenty-nine".