897727 has 2 divisors, whose sum is σ = 897728. Its totient is φ = 897726.

The previous prime is 897709. The next prime is 897751. The reversal of 897727 is 727798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897727 - 2¹⁵ = 864959 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 897727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448863 + 448864.

It is an arithmetic number, because the mean of its divisors is an integer number (448864).

2⁸⁹⁷⁷²⁷ is an apocalyptic number.

897727 is a deficient number, since it is larger than the sum of its proper divisors (1).

897727 is an equidigital number, since it uses as much as digits as its factorization.

897727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 40.

The square root of 897727 is about 947.4845645181. The cubic root of 897727 is about 96.4675900361.

The spelling of 897727 in words is "eight hundred ninety-seven thousand, seven hundred twenty-seven".