397376526607 has 2 divisors, whose sum is σ = 397376526608. Its totient is φ = 397376526606.

The previous prime is 397376526571. The next prime is 397376526637. The reversal of 397376526607 is 706625673793.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397376526607 - 2⁷ = 397376526479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397376526637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198688263303 + 198688263304.

It is an arithmetic number, because the mean of its divisors is an integer number (198688263304).

Almost surely, 2^397376526607 is an apocalyptic number.

397376526607 is a deficient number, since it is larger than the sum of its proper divisors (1).

397376526607 is an equidigital number, since it uses as much as digits as its factorization.

397376526607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60011280, while the sum is 61.

The spelling of 397376526607 in words is "three hundred ninety-seven billion, three hundred seventy-six million, five hundred twenty-six thousand, six hundred seven".