27257723047 has 2 divisors, whose sum is σ = 27257723048. Its totient is φ = 27257723046.

The previous prime is 27257722979. The next prime is 27257723071. The reversal of 27257723047 is 74032775272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27257723047 - 2²⁷ = 27123505319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27257722988 and 27257723006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27257723747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628861523 + 13628861524.

It is an arithmetic number, because the mean of its divisors is an integer number (13628861524).

Almost surely, 2^27257723047 is an apocalyptic number.

27257723047 is a deficient number, since it is larger than the sum of its proper divisors (1).

27257723047 is an equidigital number, since it uses as much as digits as its factorization.

27257723047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152480, while the sum is 46.

The spelling of 27257723047 in words is "twenty-seven billion, two hundred fifty-seven million, seven hundred twenty-three thousand, forty-seven".