27011797 has 2 divisors, whose sum is σ = 27011798. Its totient is φ = 27011796.

The previous prime is 27011791. The next prime is 27011843. The reversal of 27011797 is 79711072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25948836 + 1062961 = 5094^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 27011797 - 2⁷ = 27011669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27011791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13505898 + 13505899.

It is an arithmetic number, because the mean of its divisors is an integer number (13505899).

Almost surely, 2^27011797 is an apocalyptic number.

It is an amenable number.

27011797 is a deficient number, since it is larger than the sum of its proper divisors (1).

27011797 is an equidigital number, since it uses as much as digits as its factorization.

27011797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 27011797 is about 5197.2874655920. The cubic root of 27011797 is about 300.0436862307.

The spelling of 27011797 in words is "twenty-seven million, eleven thousand, seven hundred ninety-seven".