670781848307 has 2 divisors, whose sum is σ = 670781848308. Its totient is φ = 670781848306.

The previous prime is 670781848283. The next prime is 670781848337. The reversal of 670781848307 is 703848187076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670781848307 is a prime.

It is not a weakly prime, because it can be changed into another prime (670781848337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335390924153 + 335390924154.

It is an arithmetic number, because the mean of its divisors is an integer number (335390924154).

Almost surely, 2^670781848307 is an apocalyptic number.

670781848307 is a deficient number, since it is larger than the sum of its proper divisors (1).

670781848307 is an equidigital number, since it uses as much as digits as its factorization.

670781848307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12644352, while the sum is 59.

The spelling of 670781848307 in words is "six hundred seventy billion, seven hundred eighty-one million, eight hundred forty-eight thousand, three hundred seven".