9870797 has 2 divisors, whose sum is σ = 9870798. Its totient is φ = 9870796.

The previous prime is 9870787. The next prime is 9870811. The reversal of 9870797 is 7970789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 48841 = 3134^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 9870797 - 2⁸ = 9870541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9870737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4935398 + 4935399.

It is an arithmetic number, because the mean of its divisors is an integer number (4935399).

Almost surely, 2^9870797 is an apocalyptic number.

It is an amenable number.

9870797 is a deficient number, since it is larger than the sum of its proper divisors (1).

9870797 is an equidigital number, since it uses as much as digits as its factorization.

9870797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 9870797 is about 3141.7824558680. The cubic root of 9870797 is about 214.5115792222.

The spelling of 9870797 in words is "nine million, eight hundred seventy thousand, seven hundred ninety-seven".