8772317 has 2 divisors, whose sum is σ = 8772318. Its totient is φ = 8772316.

The previous prime is 8772307. The next prime is 8772329. The reversal of 8772317 is 7132778.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5635876 + 3136441 = 2374^2 + 1771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8772317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8772307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4386158 + 4386159.

It is an arithmetic number, because the mean of its divisors is an integer number (4386159).

Almost surely, 2^8772317 is an apocalyptic number.

It is an amenable number.

8772317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8772317 is an equidigital number, since it uses as much as digits as its factorization.

8772317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 35.

The square root of 8772317 is about 2961.8097508111. The cubic root of 8772317 is about 206.2393062102.

The spelling of 8772317 in words is "eight million, seven hundred seventy-two thousand, three hundred seventeen".