27506328430807 has 2 divisors, whose sum is σ = 27506328430808. Its totient is φ = 27506328430806.

The previous prime is 27506328430699. The next prime is 27506328430829. The reversal of 27506328430807 is 70803482360572.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27506328430807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27506328490807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13753164215403 + 13753164215404.

It is an arithmetic number, because the mean of its divisors is an integer number (13753164215404).

Almost surely, 2^{27506328430807} is an apocalyptic number.

27506328430807 is a deficient number, since it is larger than the sum of its proper divisors (1).

27506328430807 is an equidigital number, since it uses as much as digits as its factorization.

27506328430807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 27506328430807 in words is "twenty-seven trillion, five hundred six billion, three hundred twenty-eight million, four hundred thirty thousand, eight hundred seven".