27750379 has 2 divisors, whose sum is σ = 27750380. Its totient is φ = 27750378.

The previous prime is 27750367. The next prime is 27750383. The reversal of 27750379 is 97305772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27750379 - 2¹⁵ = 27717611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27750329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875189 + 13875190.

It is an arithmetic number, because the mean of its divisors is an integer number (13875190).

Almost surely, 2^27750379 is an apocalyptic number.

27750379 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750379 is an equidigital number, since it uses as much as digits as its factorization.

27750379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 27750379 is about 5267.8628493916. The cubic root of 27750379 is about 302.7538256157.

The spelling of 27750379 in words is "twenty-seven million, seven hundred fifty thousand, three hundred seventy-nine".