897877 has 2 divisors, whose sum is σ = 897878. Its totient is φ = 897876.

The previous prime is 897847. The next prime is 897881. The reversal of 897877 is 778798.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857476 + 40401 = 926^2 + 201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448938 + 448939.

It is an arithmetic number, because the mean of its divisors is an integer number (448939).

2⁸⁹⁷⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

897877 is a deficient number, since it is larger than the sum of its proper divisors (1).

897877 is an equidigital number, since it uses as much as digits as its factorization.

897877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 46.

The square root of 897877 is about 947.5637181741. The cubic root of 897877 is about 96.4729626170.

The spelling of 897877 in words is "eight hundred ninety-seven thousand, eight hundred seventy-seven".