6978227 has 2 divisors, whose sum is σ = 6978228. Its totient is φ = 6978226.

The previous prime is 6978221. The next prime is 6978247. The reversal of 6978227 is 7228796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6978227 - 2²² = 2783923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6978221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489113 + 3489114.

It is an arithmetic number, because the mean of its divisors is an integer number (3489114).

Almost surely, 2^6978227 is an apocalyptic number.

6978227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6978227 is an equidigital number, since it uses as much as digits as its factorization.

6978227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 6978227 is about 2641.6333962153. The cubic root of 6978227 is about 191.0945777592.

The spelling of 6978227 in words is "six million, nine hundred seventy-eight thousand, two hundred twenty-seven".