27320014457 has 2 divisors, whose sum is σ = 27320014458. Its totient is φ = 27320014456.

The previous prime is 27320014451. The next prime is 27320014471. The reversal of 27320014457 is 75441002372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27218730361 + 101284096 = 164981^2 + 10064^2 .

It is a cyclic number.

It is not a de Polignac number, because 27320014457 - 2¹⁶ = 27319948921 is a prime.

It is a super-4 number, since 4×27320014457⁴ (a number of 43 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (27320014451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13660007228 + 13660007229.

It is an arithmetic number, because the mean of its divisors is an integer number (13660007229).

Almost surely, 2^27320014457 is an apocalyptic number.

It is an amenable number.

27320014457 is a deficient number, since it is larger than the sum of its proper divisors (1).

27320014457 is an equidigital number, since it uses as much as digits as its factorization.

27320014457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 27320014457 in words is "twenty-seven billion, three hundred twenty million, fourteen thousand, four hundred fifty-seven".