27575723479 has 2 divisors, whose sum is σ = 27575723480. Its totient is φ = 27575723478.

The previous prime is 27575723419. The next prime is 27575723491. The reversal of 27575723479 is 97432757572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27575723479 - 2¹³ = 27575715287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27575723419) 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, 13787861739 + 13787861740.

It is an arithmetic number, because the mean of its divisors is an integer number (13787861740).

Almost surely, 2^27575723479 is an apocalyptic number.

27575723479 is a deficient number, since it is larger than the sum of its proper divisors (1).

27575723479 is an equidigital number, since it uses as much as digits as its factorization.

27575723479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25930800, while the sum is 58.

The spelling of 27575723479 in words is "twenty-seven billion, five hundred seventy-five million, seven hundred twenty-three thousand, four hundred seventy-nine".