27747708151 has 2 divisors, whose sum is σ = 27747708152. Its totient is φ = 27747708150.

The previous prime is 27747708137. The next prime is 27747708223. The reversal of 27747708151 is 15180774772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27747708151 - 2⁵ = 27747708119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27747708095 and 27747708104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27747708101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13873854075 + 13873854076.

It is an arithmetic number, because the mean of its divisors is an integer number (13873854076).

Almost surely, 2^27747708151 is an apocalyptic number.

27747708151 is a deficient number, since it is larger than the sum of its proper divisors (1).

27747708151 is an equidigital number, since it uses as much as digits as its factorization.

27747708151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768320, while the sum is 49.

The spelling of 27747708151 in words is "twenty-seven billion, seven hundred forty-seven million, seven hundred eight thousand, one hundred fifty-one".