897997430327 has 2 divisors, whose sum is σ = 897997430328. Its totient is φ = 897997430326.

The previous prime is 897997430321. The next prime is 897997430431. The reversal of 897997430327 is 723034799798.

897997430327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897997430327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897997430321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448998715163 + 448998715164.

It is an arithmetic number, because the mean of its divisors is an integer number (448998715164).

Almost surely, 2^897997430327 is an apocalyptic number.

897997430327 is a deficient number, since it is larger than the sum of its proper divisors (1).

897997430327 is an equidigital number, since it uses as much as digits as its factorization.

897997430327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144027072, while the sum is 68.

The spelling of 897997430327 in words is "eight hundred ninety-seven billion, nine hundred ninety-seven million, four hundred thirty thousand, three hundred twenty-seven".