667895012347 has 2 divisors, whose sum is σ = 667895012348. Its totient is φ = 667895012346.

The previous prime is 667895012333. The next prime is 667895012383. The reversal of 667895012347 is 743210598766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667895012347 - 2¹⁵ = 667894979579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667895012291 and 667895012300.

It is not a weakly prime, because it can be changed into another prime (667895012047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333947506173 + 333947506174.

It is an arithmetic number, because the mean of its divisors is an integer number (333947506174).

It is a 1-persistent number, because it is pandigital, but 2⋅667895012347 = 1335790024694 is not.

Almost surely, 2^667895012347 is an apocalyptic number.

667895012347 is a deficient number, since it is larger than the sum of its proper divisors (1).

667895012347 is an equidigital number, since it uses as much as digits as its factorization.

667895012347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 667895012347 in words is "six hundred sixty-seven billion, eight hundred ninety-five million, twelve thousand, three hundred forty-seven".