27939702151 has 2 divisors, whose sum is σ = 27939702152. Its totient is φ = 27939702150.

The previous prime is 27939702121. The next prime is 27939702163. The reversal of 27939702151 is 15120793972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27939702151 - 2¹³ = 27939693959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27939702121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13969851075 + 13969851076.

It is an arithmetic number, because the mean of its divisors is an integer number (13969851076).

Almost surely, 2^27939702151 is an apocalyptic number.

27939702151 is a deficient number, since it is larger than the sum of its proper divisors (1).

27939702151 is an equidigital number, since it uses as much as digits as its factorization.

27939702151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 27939702151 in words is "twenty-seven billion, nine hundred thirty-nine million, seven hundred two thousand, one hundred fifty-one".