27726314537 has 2 divisors, whose sum is σ = 27726314538. Its totient is φ = 27726314536.

The previous prime is 27726314531. The next prime is 27726314579. The reversal of 27726314537 is 73541362772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19936310416 + 7790004121 = 141196^2 + 88261^2 .

It is a cyclic number.

It is not a de Polignac number, because 27726314537 - 2⁴ = 27726314521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27726314491 and 27726314500.

It is not a weakly prime, because it can be changed into another prime (27726314531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863157268 + 13863157269.

It is an arithmetic number, because the mean of its divisors is an integer number (13863157269).

Almost surely, 2^27726314537 is an apocalyptic number.

It is an amenable number.

27726314537 is a deficient number, since it is larger than the sum of its proper divisors (1).

27726314537 is an equidigital number, since it uses as much as digits as its factorization.

27726314537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 47.

The spelling of 27726314537 in words is "twenty-seven billion, seven hundred twenty-six million, three hundred fourteen thousand, five hundred thirty-seven".