667475311 has 2 divisors, whose sum is σ = 667475312. Its totient is φ = 667475310.

The previous prime is 667475299. The next prime is 667475363. The reversal of 667475311 is 113574766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667475311 - 2⁵ = 667475279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667475411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333737655 + 333737656.

It is an arithmetic number, because the mean of its divisors is an integer number (333737656).

Almost surely, 2^667475311 is an apocalyptic number.

667475311 is a deficient number, since it is larger than the sum of its proper divisors (1).

667475311 is an equidigital number, since it uses as much as digits as its factorization.

667475311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 667475311 is about 25835.5435592131. The cubic root of 667475311 is about 873.9335299689.

The spelling of 667475311 in words is "six hundred sixty-seven million, four hundred seventy-five thousand, three hundred eleven".