6670033387 has 2 divisors, whose sum is σ = 6670033388. Its totient is φ = 6670033386.

The previous prime is 6670033361. The next prime is 6670033393. The reversal of 6670033387 is 7833300766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6670033387 is a prime.

It is not a weakly prime, because it can be changed into another prime (6670033397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335016693 + 3335016694.

It is an arithmetic number, because the mean of its divisors is an integer number (3335016694).

Almost surely, 2^6670033387 is an apocalyptic number.

6670033387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670033387 is an equidigital number, since it uses as much as digits as its factorization.

6670033387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 6670033387 is about 81670.2723578170. The cubic root of 6670033387 is about 1882.3888249580.

The spelling of 6670033387 in words is "six billion, six hundred seventy million, thirty-three thousand, three hundred eighty-seven".