897503666959 has 2 divisors, whose sum is σ = 897503666960. Its totient is φ = 897503666958.

The previous prime is 897503666929. The next prime is 897503666977. The reversal of 897503666959 is 959666305798.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897503666959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897503666891 and 897503666900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897503666909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448751833479 + 448751833480.

It is an arithmetic number, because the mean of its divisors is an integer number (448751833480).

Almost surely, 2^897503666959 is an apocalyptic number.

897503666959 is a deficient number, since it is larger than the sum of its proper divisors (1).

897503666959 is an equidigital number, since it uses as much as digits as its factorization.

897503666959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661348800, while the sum is 73.

The spelling of 897503666959 in words is "eight hundred ninety-seven billion, five hundred three million, six hundred sixty-six thousand, nine hundred fifty-nine".