670676757397 has 2 divisors, whose sum is σ = 670676757398. Its totient is φ = 670676757396.

The previous prime is 670676757389. The next prime is 670676757407. The reversal of 670676757397 is 793757676076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669670535556 + 1006221841 = 818334^2 + 31721^2 .

It is a cyclic number.

It is not a de Polignac number, because 670676757397 - 2³ = 670676757389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670676757307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335338378698 + 335338378699.

It is an arithmetic number, because the mean of its divisors is an integer number (335338378699).

Almost surely, 2^670676757397 is an apocalyptic number.

It is an amenable number.

670676757397 is a deficient number, since it is larger than the sum of its proper divisors (1).

670676757397 is an equidigital number, since it uses as much as digits as its factorization.

670676757397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490092120, while the sum is 70.

The spelling of 670676757397 in words is "six hundred seventy billion, six hundred seventy-six million, seven hundred fifty-seven thousand, three hundred ninety-seven".