27078293929 has 2 divisors, whose sum is σ = 27078293930. Its totient is φ = 27078293928.

The previous prime is 27078293887. The next prime is 27078293941. The reversal of 27078293929 is 92939287072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15560067600 + 11518226329 = 124740^2 + 107323^2 .

It is a cyclic number.

It is not a de Polignac number, because 27078293929 - 2²⁹ = 26541423017 is a prime.

It is not a weakly prime, because it can be changed into another prime (27078293959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13539146964 + 13539146965.

It is an arithmetic number, because the mean of its divisors is an integer number (13539146965).

Almost surely, 2^27078293929 is an apocalyptic number.

It is an amenable number.

27078293929 is a deficient number, since it is larger than the sum of its proper divisors (1).

27078293929 is an equidigital number, since it uses as much as digits as its factorization.

27078293929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 27078293929 in words is "twenty-seven billion, seventy-eight million, two hundred ninety-three thousand, nine hundred twenty-nine".