27500027527747 has 2 divisors, whose sum is σ = 27500027527748. Its totient is φ = 27500027527746.

The previous prime is 27500027527727. The next prime is 27500027527799. The reversal of 27500027527747 is 74772572000572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27500027527747 - 2²³ = 27500019139139 is a prime.

It is not a weakly prime, because it can be changed into another prime (27500027527727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750013763873 + 13750013763874.

It is an arithmetic number, because the mean of its divisors is an integer number (13750013763874).

Almost surely, 2^{27500027527747} is an apocalyptic number.

27500027527747 is a deficient number, since it is larger than the sum of its proper divisors (1).

27500027527747 is an equidigital number, since it uses as much as digits as its factorization.

27500027527747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13445600, while the sum is 55.

The spelling of 27500027527747 in words is "twenty-seven trillion, five hundred billion, twenty-seven million, five hundred twenty-seven thousand, seven hundred forty-seven".