667233104387 has 2 divisors, whose sum is σ = 667233104388. Its totient is φ = 667233104386.

The previous prime is 667233104383. The next prime is 667233104423. The reversal of 667233104387 is 783401332766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667233104387 - 2² = 667233104383 is a prime.

It is not a weakly prime, because it can be changed into another prime (667233104383) 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, 333616552193 + 333616552194.

It is an arithmetic number, because the mean of its divisors is an integer number (333616552194).

Almost surely, 2^667233104387 is an apocalyptic number.

667233104387 is a deficient number, since it is larger than the sum of its proper divisors (1).

667233104387 is an equidigital number, since it uses as much as digits as its factorization.

667233104387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 667233104387 in words is "six hundred sixty-seven billion, two hundred thirty-three million, one hundred four thousand, three hundred eighty-seven".