2178313327 has 2 divisors, whose sum is σ = 2178313328. Its totient is φ = 2178313326.

The previous prime is 2178313261. The next prime is 2178313369. The reversal of 2178313327 is 7233138712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2178313327 - 2⁷ = 2178313199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2178313427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089156663 + 1089156664.

It is an arithmetic number, because the mean of its divisors is an integer number (1089156664).

Almost surely, 2^2178313327 is an apocalyptic number.

2178313327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2178313327 is an equidigital number, since it uses as much as digits as its factorization.

2178313327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 2178313327 is about 46672.4043413236. The cubic root of 2178313327 is about 1296.3037662995.

The spelling of 2178313327 in words is "two billion, one hundred seventy-eight million, three hundred thirteen thousand, three hundred twenty-seven".