397880930207 has 2 divisors, whose sum is σ = 397880930208. Its totient is φ = 397880930206.

The previous prime is 397880930203. The next prime is 397880930287. The reversal of 397880930207 is 702039088793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397880930207 - 2² = 397880930203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397880930203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198940465103 + 198940465104.

It is an arithmetic number, because the mean of its divisors is an integer number (198940465104).

Almost surely, 2^397880930207 is an apocalyptic number.

397880930207 is a deficient number, since it is larger than the sum of its proper divisors (1).

397880930207 is an equidigital number, since it uses as much as digits as its factorization.

397880930207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 397880930207 in words is "three hundred ninety-seven billion, eight hundred eighty million, nine hundred thirty thousand, two hundred seven".