8097977 has 2 divisors, whose sum is σ = 8097978. Its totient is φ = 8097976.

The previous prime is 8097961. The next prime is 8097983. The reversal of 8097977 is 7797908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 1666681 = 2536^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 8097977 - 2⁴ = 8097961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8097917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4048988 + 4048989.

It is an arithmetic number, because the mean of its divisors is an integer number (4048989).

Almost surely, 2^8097977 is an apocalyptic number.

It is an amenable number.

8097977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8097977 is an equidigital number, since it uses as much as digits as its factorization.

8097977 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8097977 is about 2845.6944670853. The cubic root of 8097977 is about 200.8131643380.

The spelling of 8097977 in words is "eight million, ninety-seven thousand, nine hundred seventy-seven".