27776117 has 2 divisors, whose sum is σ = 27776118. Its totient is φ = 27776116.

The previous prime is 27776101. The next prime is 27776129. The reversal of 27776117 is 71167772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26122321 + 1653796 = 5111^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 27776117 - 2⁴ = 27776101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27776137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888058 + 13888059.

It is an arithmetic number, because the mean of its divisors is an integer number (13888059).

Almost surely, 2^27776117 is an apocalyptic number.

It is an amenable number.

27776117 is a deficient number, since it is larger than the sum of its proper divisors (1).

27776117 is an equidigital number, since it uses as much as digits as its factorization.

27776117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28812, while the sum is 38.

The square root of 27776117 is about 5270.3052093783. The cubic root of 27776117 is about 302.8473963514.

The spelling of 27776117 in words is "twenty-seven million, seven hundred seventy-six thousand, one hundred seventeen".