814080667 has 2 divisors, whose sum is σ = 814080668. Its totient is φ = 814080666.

The previous prime is 814080661. The next prime is 814080679. The reversal of 814080667 is 766080418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 814080667 - 2⁷ = 814080539 is a prime.

It is not a weakly prime, because it can be changed into another prime (814080661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407040333 + 407040334.

It is an arithmetic number, because the mean of its divisors is an integer number (407040334).

Almost surely, 2^814080667 is an apocalyptic number.

814080667 is a deficient number, since it is larger than the sum of its proper divisors (1).

814080667 is an equidigital number, since it uses as much as digits as its factorization.

814080667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 814080667 is about 28532.0988887954. The cubic root of 814080667 is about 933.7325107849.

The spelling of 814080667 in words is "eight hundred fourteen million, eighty thousand, six hundred sixty-seven".