27457484071 has 2 divisors, whose sum is σ = 27457484072. Its totient is φ = 27457484070.

The previous prime is 27457484069. The next prime is 27457484077. The reversal of 27457484071 is 17048475472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27457484071 - 2¹ = 27457484069 is a prime.

Together with 27457484069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27457484077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13728742035 + 13728742036.

It is an arithmetic number, because the mean of its divisors is an integer number (13728742036).

Almost surely, 2^27457484071 is an apocalyptic number.

27457484071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27457484071 is an equidigital number, since it uses as much as digits as its factorization.

27457484071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1756160, while the sum is 49.

The spelling of 27457484071 in words is "twenty-seven billion, four hundred fifty-seven million, four hundred eighty-four thousand, seventy-one".