27761317 has 2 divisors, whose sum is σ = 27761318. Its totient is φ = 27761316.

The previous prime is 27761297. The next prime is 27761333. The reversal of 27761317 is 71316772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27311076 + 450241 = 5226^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 27761317 - 2⁷ = 27761189 is a prime.

It is a super-4 number, since 4×27761317⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27761117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13880658 + 13880659.

It is an arithmetic number, because the mean of its divisors is an integer number (13880659).

Almost surely, 2^27761317 is an apocalyptic number.

It is an amenable number.

27761317 is a deficient number, since it is larger than the sum of its proper divisors (1).

27761317 is an equidigital number, since it uses as much as digits as its factorization.

27761317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 34.

The square root of 27761317 is about 5268.9009290363. The cubic root of 27761317 is about 302.7935978816.

The spelling of 27761317 in words is "twenty-seven million, seven hundred sixty-one thousand, three hundred seventeen".