27958882139 has 2 divisors, whose sum is σ = 27958882140. Its totient is φ = 27958882138.

The previous prime is 27958882103. The next prime is 27958882157. The reversal of 27958882139 is 93128885972.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27958882139 - 2⁸ = 27958881883 is a prime.

It is not a weakly prime, because it can be changed into another prime (27958882169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13979441069 + 13979441070.

It is an arithmetic number, because the mean of its divisors is an integer number (13979441070).

Almost surely, 2^27958882139 is an apocalyptic number.

27958882139 is a deficient number, since it is larger than the sum of its proper divisors (1).

27958882139 is an equidigital number, since it uses as much as digits as its factorization.

27958882139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 62.

The spelling of 27958882139 in words is "twenty-seven billion, nine hundred fifty-eight million, eight hundred eighty-two thousand, one hundred thirty-nine".