670811801207 has 2 divisors, whose sum is σ = 670811801208. Its totient is φ = 670811801206.

The previous prime is 670811801167. The next prime is 670811801243. The reversal of 670811801207 is 702108118076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670811801207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670811801507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335405900603 + 335405900604.

It is an arithmetic number, because the mean of its divisors is an integer number (335405900604).

Almost surely, 2^670811801207 is an apocalyptic number.

670811801207 is a deficient number, since it is larger than the sum of its proper divisors (1).

670811801207 is an equidigital number, since it uses as much as digits as its factorization.

670811801207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 670811801207 in words is "six hundred seventy billion, eight hundred eleven million, eight hundred one thousand, two hundred seven".